diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 4530d21..d2348f4 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -4,19 +4,19 @@ on:
   push:
     branches:
       - master
-      - main
   pull_request:
 
 jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3.0.0
-      - uses: erlef/setup-beam@v1.13.0
+      - uses: actions/checkout@v3
+      - uses: erlef/setup-beam@v1
         with:
-          otp-version: "25.1"
-          gleam-version: "0.24.0"
-          # elixir-version: "1.14.1"
-      - run: gleam format --check src test
+          otp-version: "26.0.2"
+          gleam-version: "1.0.0"
+          rebar3-version: "3"
+          # elixir-version: "1.15.4"
       - run: gleam deps download
       - run: gleam test
+      - run: gleam format --check src test
diff --git a/gleam.toml b/gleam.toml
index ed1d7b4..aca448a 100644
--- a/gleam.toml
+++ b/gleam.toml
@@ -5,9 +5,11 @@ licences = ["Apache-2.0"]
 description = "A Gleam implementation of Erlang logger"
 repository = { type = "github", user = "defgenx", repo = "glog" }
 
+gleam_version = ">= 1.0.0"
+
 [dependencies]
-gleam_stdlib = "~> 0.24"
-gleam_erlang = "~> 0.17"
+gleam_stdlib = "~> 0.36"
+gleam_erlang = "~> 0.25"
 
 [dev-dependencies]
-gleeunit = "~> 0.6"
+gleeunit = "~> 1.0"
\ No newline at end of file
diff --git a/manifest.toml b/manifest.toml
index e051299..594d751 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -2,12 +2,12 @@
 # You typically do not need to edit this file
 
 packages = [
-  { name = "gleam_erlang", version = "0.17.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_erlang", source = "hex", outer_checksum = "A3BB3D4A6AFC2E34CAB1A4960F0CBBC4AA1A052D5023477D16B848D86E69948A" },
-  { name = "gleam_stdlib", version = "0.25.0", build_tools = ["gleam"], requirements = [], otp_app = "gleam_stdlib", source = "hex", outer_checksum = "AD0F89928E0B919C8F8EDF640484633B28DBF88630A9E6AE504617A3E3E5B9A2" },
-  { name = "gleeunit", version = "0.7.2", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleeunit", source = "hex", outer_checksum = "5F4FBED3E93CDEDB0570D30E9DECB7058C2D327996B78BB2D245C739C7136010" },
+  { name = "gleam_erlang", version = "0.25.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_erlang", source = "hex", outer_checksum = "054D571A7092D2A9727B3E5D183B7507DAB0DA41556EC9133606F09C15497373" },
+  { name = "gleam_stdlib", version = "0.36.0", build_tools = ["gleam"], requirements = [], otp_app = "gleam_stdlib", source = "hex", outer_checksum = "C0D14D807FEC6F8A08A7C9EF8DFDE6AE5C10E40E21325B2B29365965D82EB3D4" },
+  { name = "gleeunit", version = "1.1.2", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleeunit", source = "hex", outer_checksum = "72CDC3D3F719478F26C4E2C5FED3E657AC81EC14A47D2D2DEBB8693CA3220C3B" },
 ]
 
 [requirements]
-gleam_erlang = "~> 0.17"
-gleam_stdlib = "~> 0.24"
-gleeunit = "~> 0.6"
+gleam_erlang = { version = "~> 0.25" }
+gleam_stdlib = { version = "~> 0.36" }
+gleeunit = { version = "~> 1.0" }
diff --git a/src/glog.gleam b/src/glog.gleam
index 5435b6d..0a7ab44 100644
--- a/src/glog.gleam
+++ b/src/glog.gleam
@@ -1,19 +1,20 @@
-import gleam/erlang/atom.{Atom}
-import gleam/map.{Map}
+import gleam/erlang/atom.{type Atom}
+import gleam/dict.{type Dict}
 import gleam/result
 import gleam/list
-import gleam/option.{None, Option, Some}
-import gleam/dynamic.{Dynamic}
-import glog/arg.{Args}
-import glog/field.{Field, Fields}
+import gleam/option.{type Option, None, Some}
+import gleam/dynamic.{type Dynamic}
+import glog/arg.{type Args}
+import glog/field.{type Field, type Fields}
 import glog/level.{
-  Alert, ConfigLevel, Critical, Debug, Emergency, Info, Level, Notice, Warning,
+  type ConfigLevel, type Level, Alert, Critical, Debug, Emergency, Info, Notice,
+  Warning,
 }
 
 /// A Gleam implementation of Erlang logger
 /// Glog is the current "state" of the log to print
 pub opaque type Glog {
-  Glog(fields: Map(Atom, Dynamic))
+  Glog(fields: Dict(Atom, Dynamic))
 }
 
 /// Initializes a new Glog representation
@@ -25,7 +26,7 @@ pub opaque type Glog {
 /// let logger: Glog = glog.new()
 /// ```
 pub fn new() -> Glog {
-  Glog(fields: map.new())
+  Glog(fields: dict.new())
 }
 
 /// Initializes a new Glog representation with fields
@@ -40,13 +41,13 @@ pub fn new_with(with: Option(Fields)) -> Glog {
 
 /// Finds if a field exists from its key
 pub fn has_field(logger: Glog, key: String) -> Bool {
-  map.has_key(logger.fields, atom.create_from_string(key))
+  dict.has_key(logger.fields, atom.create_from_string(key))
 }
 
 /// Fetches a field if it exists from its key
 pub fn get_field(logger: Glog, key: String) -> Result(Field, Nil) {
   logger.fields
-  |> map.get(atom.create_from_string(key))
+  |> dict.get(atom.create_from_string(key))
   |> result.map(fn(value) { field.new(key, value) })
 }
 
@@ -54,7 +55,7 @@ pub fn get_field(logger: Glog, key: String) -> Result(Field, Nil) {
 ///
 /// ### Usage
 /// ```gleam
-/// import glog.{Glog}
+/// import glog.{type Glog}
 ///
 /// let logger: Glog = glog.new()
 /// logger
@@ -64,7 +65,7 @@ pub fn get_field(logger: Glog, key: String) -> Result(Field, Nil) {
 pub fn add(logger: Glog, key: String, value: any) -> Glog {
   Glog(
     logger.fields
-    |> map.insert(atom.create_from_string(key), dynamic.from(value)),
+    |> dict.insert(atom.create_from_string(key), dynamic.from(value)),
   )
 }
 
@@ -72,7 +73,7 @@ pub fn add(logger: Glog, key: String, value: any) -> Glog {
 ///
 /// ### Usage
 /// ```gleam
-/// import glog.{Glog}
+/// import glog.{type Glog}
 /// import glog/field
 ///
 /// let logger: Glog = glog.new()
@@ -82,7 +83,7 @@ pub fn add(logger: Glog, key: String, value: any) -> Glog {
 pub fn add_field(logger: Glog, f: Field) -> Glog {
   Glog(
     logger.fields
-    |> map.insert(atom.create_from_string(field.key(f)), field.value(f)),
+    |> dict.insert(atom.create_from_string(field.key(f)), field.value(f)),
   )
 }
 
@@ -90,7 +91,7 @@ pub fn add_field(logger: Glog, f: Field) -> Glog {
 ///
 /// ### Usage
 /// ```gleam
-/// import glog.{Glog}
+/// import glog.{type Glog}
 /// import glog/field
 ///
 /// let logger: Glog = glog.new()
@@ -113,7 +114,7 @@ pub fn add_result(logger: Glog, key: String, r: Result(a, b)) -> Glog {
 ///
 /// ### Usage
 /// ```gleam
-/// import glog.{Glog}
+/// import glog.{type Glog}
 /// import glog/field
 ///
 /// let logger: Glog = glog.new()
@@ -133,7 +134,7 @@ pub fn add_option(logger: Glog, key: String, o: Option(a)) -> Glog {
 ///
 /// ### Usage
 /// ```gleam
-/// import glog.{Glog}
+/// import glog.{type Glog}
 /// import glog/field
 ///
 /// let logger: Glog = glog.new()
@@ -149,7 +150,7 @@ pub fn add_error(logger: Glog, error: a) -> Glog {
 ///
 /// ### Usage
 /// ```gleam
-/// import glog.{Glog}
+/// import glog.{type Glog}
 /// import glog/field
 ///
 /// let logger: Glog = glog.new()
@@ -157,7 +158,7 @@ pub fn add_error(logger: Glog, error: a) -> Glog {
 /// |> add_fields([field.new("foo", "bar"), field.new("woo", "zoo")])
 /// ```
 pub fn add_fields(logger: Glog, f: Fields) -> Glog {
-  Glog(fields: map.merge(logger.fields, fields_to_dynamic(f)))
+  Glog(fields: dict.merge(logger.fields, fields_to_dynamic(f)))
 }
 
 /// Prints Emergency log with current fields stored and the given message
@@ -166,7 +167,7 @@ pub fn add_fields(logger: Glog, f: Fields) -> Glog {
 ///
 /// ### Usage
 /// ```gleam
-/// import glog.{Glog}
+/// import glog.{type Glog}
 ///
 /// let logger: Glog = glog.new()
 /// logger
@@ -182,7 +183,7 @@ pub fn emergency(logger: Glog, message: String) -> Glog {
 ///
 /// ### Usage
 /// ```gleam
-/// import glog.{Glog}
+/// import glog.{type Glog}
 ///
 /// let logger: Glog = glog.new()
 /// logger
@@ -220,14 +221,14 @@ pub fn criticalf(logger: Glog, string: String, values: Args) -> Glog {
   logf(logger, Critical, string, values)
 }
 
-/// Prints Err log with current fields stored and the given message
+/// Prints Error log with current fields stored and the given message
 ///
 /// Calling this function return a new Glog. Old Glog can still be used.
 pub fn error(logger: Glog, message: String) -> Glog {
   log(logger, level.Error, message)
 }
 
-/// Prints Err log with current fields stored and the given message template and values
+/// Prints Error log with current fields stored and the given message template and values
 ///
 /// Calling this function return a new Glog. Old Glog can still be used.
 pub fn errorf(logger: Glog, string: String, values: Args) -> Glog {
@@ -291,18 +292,18 @@ pub fn debugf(logger: Glog, string: String, values: Args) -> Glog {
 }
 
 // Private function handling the print logic for any level
-fn log(logger: Glog, level: Level, message: String) -> Glog {
+fn log(logger: Glog, lvl: Level, message: String) -> Glog {
   let new_logger =
     logger
     |> add("msg", message)
-  log_with_fields(level, new_logger.fields)
+  log_with_fields(lvl, new_logger.fields)
 
   logger
 }
 
 // Private function handling the printf logic for any level
-fn logf(logger: Glog, level: Level, string: String, values: Args) -> Glog {
-  log(logger, level, sprintf(string, args_to_dynamic(values)))
+fn logf(logger: Glog, lvl: Level, string: String, values: Args) -> Glog {
+  log(logger, lvl, sprintf(string, args_to_dynamic(values)))
 }
 
 // Transforms Args to a Dynamic list
@@ -311,9 +312,9 @@ fn args_to_dynamic(args: Args) -> List(Dynamic) {
   |> list.map(fn(a) { dynamic.from(arg.value(a)) })
 }
 
-// Transforms Fields to a Atom/Dynamic map
-fn fields_to_dynamic(fields: Fields) -> Map(Atom, Dynamic) {
-  map.from_list(
+// Transforms Fields to a Atom/Dynamic dict
+fn fields_to_dynamic(fields: Fields) -> Dict(Atom, Dynamic) {
+  dict.from_list(
     fields
     |> list.map(fn(f) {
       #(atom.create_from_string(field.key(f)), field.value(f))
@@ -322,19 +323,16 @@ fn fields_to_dynamic(fields: Fields) -> Map(Atom, Dynamic) {
 }
 
 /// Sets log level for primary handler
-pub fn set_primary_log_level(level: ConfigLevel) {
-  set_primary_config_value(
-    atom.create_from_string("level"),
-    dynamic.from(level),
-  )
+pub fn set_primary_log_level(lvl: ConfigLevel) {
+  set_primary_config_value(atom.create_from_string("lvl"), dynamic.from(lvl))
 }
 
 /// Sets log level for given handler
-pub fn set_handler_log_level(handler: String, level: ConfigLevel) {
+pub fn set_handler_log_level(handler: String, lvl: ConfigLevel) {
   set_handler_config_value(
     atom.create_from_string(handler),
-    atom.create_from_string("level"),
-    dynamic.from(level),
+    atom.create_from_string("lvl"),
+    dynamic.from(lvl),
   )
 }
 
@@ -347,28 +345,30 @@ pub fn set_default_config() {
     atom.create_from_string("formatter"),
     dynamic.from(#(
       dynamic.from(atom.create_from_string("logger_formatter")),
-      dynamic.from(map.from_list([
-        #(
-          atom.create_from_string("single_line"),
-          atom.create_from_string("true"),
-        ),
-        #(
-          atom.create_from_string("legacy_header"),
-          atom.create_from_string("false"),
-        ),
-      ])),
+      dynamic.from(
+        dict.from_list([
+          #(
+            atom.create_from_string("single_line"),
+            atom.create_from_string("true"),
+          ),
+          #(
+            atom.create_from_string("legacy_header"),
+            atom.create_from_string("false"),
+          ),
+        ]),
+      ),
     )),
   )
 }
 
-external fn log_with_fields(Level, Map(Atom, Dynamic)) -> Nil =
-  "logger" "log"
+@external(erlang, "logger", "log")
+fn log_with_fields(a: Level, b: Dict(Atom, Dynamic)) -> Nil
 
-external fn set_primary_config_value(Atom, Dynamic) -> Nil =
-  "logger" "set_primary_config"
+@external(erlang, "logger", "set_primary_config")
+fn set_primary_config_value(a: Atom, b: Dynamic) -> Nil
 
-external fn set_handler_config_value(Atom, Atom, Dynamic) -> Nil =
-  "logger" "set_handler_config"
+@external(erlang, "logger", "set_handler_config")
+fn set_handler_config_value(a: Atom, b: Atom, c: Dynamic) -> Nil
 
-external fn sprintf(String, List(Dynamic)) -> String =
-  "io_lib" "format"
+@external(erlang, "io_lib", "format")
+fn sprintf(a: String, b: List(Dynamic)) -> String
diff --git a/src/glog/arg.gleam b/src/glog/arg.gleam
index 2335b73..9c30038 100644
--- a/src/glog/arg.gleam
+++ b/src/glog/arg.gleam
@@ -1,7 +1,7 @@
-import gleam/dynamic.{Dynamic}
+import gleam/dynamic.{type Dynamic}
 
 /// Arg opaque representation
-pub opaque type Arg {
+pub type Arg {
   Arg(value: Dynamic)
 }
 
diff --git a/src/glog/field.gleam b/src/glog/field.gleam
index 62c2fe1..8577fbc 100644
--- a/src/glog/field.gleam
+++ b/src/glog/field.gleam
@@ -1,7 +1,7 @@
-import gleam/dynamic.{Dynamic}
+import gleam/dynamic.{type Dynamic}
 
-/// Field opaque representation
-pub opaque type Field {
+/// Field representation
+pub type Field {
   Field(key: String, value: Dynamic)
 }
 
diff --git a/src/glog/level.gleam b/src/glog/level.gleam
index 03d970f..383185b 100644
--- a/src/glog/level.gleam
+++ b/src/glog/level.gleam
@@ -1,32 +1,32 @@
 /// system is unusable
-pub external type Emergency
+pub type Emergency
 
 /// action must be taken immediately
-pub external type Alert
+pub type Alert
 
 /// critical conditions
-pub external type Critical
+pub type Critical
 
 /// error conditions
-pub external type Error
+pub type Error
 
 /// warning conditions
-pub external type Warning
+pub type Warning
 
 /// normal but significant conditions
-pub external type Notice
+pub type Notice
 
 /// informational messages
-pub external type Info
+pub type Info
 
 /// debug-level messages
-pub external type Debug
+pub type Debug
 
 /// all levels
-pub external type All
+pub type All
 
 /// No level
-pub external type None
+pub type None
 
 /// Logger levels valid list
 pub type Level {
diff --git a/test/glog/field_test.gleam b/test/glog/field_test.gleam
index 04dde4a..a3af8ba 100644
--- a/test/glog/field_test.gleam
+++ b/test/glog/field_test.gleam
@@ -3,13 +3,13 @@ import glog/field
 import gleam/dynamic
 
 pub fn key_value_test() {
-  let field = field.new("foo", "bar")
+  let f = field.new("foo", "bar")
 
-  field
-  |> field.key()
+  f
+  |> field.key
   |> should.equal("foo")
 
-  field
-  |> field.value()
+  f
+  |> field.value
   |> should.equal(dynamic.from("bar"))
 }