diff --git a/Dockerfile b/Dockerfile
index fff7d46..b8ecd61 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,11 +4,11 @@ SHELL ["bash", "-c"]
 
 ARG git_commit_id
 ARG rustflags
-ARG rust_version=1.76.0
+ARG rust_version=1.78.0
 
 ENV GIT_COMMIT_ID=$git_commit_id
 ENV TZ=UTC
-ENV DFX_VERSION=0.19.0
+ENV DFX_VERSION=0.20.0
 ENV PATH="/root/.local/share/dfx/bin:$PATH"
 ENV RUSTFLAGS=$rustflags
 
diff --git a/dfx.json b/dfx.json
index 72c4b80..b6d4d34 100644
--- a/dfx.json
+++ b/dfx.json
@@ -1,5 +1,5 @@
 {
-  "dfx": "0.19.0",
+  "dfx": "0.20.0",
   "canisters": {
     "event_store": {
       "type": "rust",
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
new file mode 100644
index 0000000..76173ee
--- /dev/null
+++ b/rust-toolchain.toml
@@ -0,0 +1,3 @@
+[toolchain]
+channel = "1.78.0"
+targets = ["wasm32-unknown-unknown"]
\ No newline at end of file