diff --git a/.envrc b/.envrc
index 25c13a3..a43b162 100644
--- a/.envrc
+++ b/.envrc
@@ -1,4 +1,5 @@
 watch_file flake.nix
 watch_file flake.lock
+watch_file devshell.nix
 
 use flake
\ No newline at end of file
diff --git a/.github/workflows/tag.yaml b/.github/workflows/tag.yaml
new file mode 100644
index 0000000..b2a1cf1
--- /dev/null
+++ b/.github/workflows/tag.yaml
@@ -0,0 +1,21 @@
+name: Tag version
+
+on:
+  push:
+
+jobs:
+  main:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Install Nix
+        uses: DeterminateSystems/nix-installer-action@main
+
+      - uses: actions/checkout@v3
+        name: Checkout
+
+      - run: |
+          echo -n "nh_version=" >> "$GITHUB_ENV"
+          nix shell nixpkgs#nushell -c \
+            nu -c "open Cargo.toml | get package" \
+            >> "$GITHUB_ENV"
+          cat "$GITHUB_ENV"
diff --git a/.github/workflows/update.yaml b/.github/workflows/update.yaml
index 134a236..a3e2c29 100644
--- a/.github/workflows/update.yaml
+++ b/.github/workflows/update.yaml
@@ -17,15 +17,13 @@ jobs:
       name: Checkout
 
     - run: nix flake update
+      name: Bump flake.lock
 
-    - run: nix profile install --inputs-from . nixpkgs#cargo nixpkgs#rustc
-
-    - run: |
-        cargo install cargo-bump
-        cargo bump
-      name: Bump version
+    - run: nix run --inputs-from . nixpkgs#cargo-bump
+      name: Bump Cargo.toml
 
     - run: cargo update
+      name: Bump Cargo.lock
 
     - name: Create Pull Request
       uses: peter-evans/create-pull-request@v4
diff --git a/devshell.nix b/devshell.nix
index 125cb0d..2b553b0 100644
--- a/devshell.nix
+++ b/devshell.nix
@@ -1,12 +1,13 @@
 {
   mkShell,
-  rust-analyzer,
+  rust-analyzer-unwrapped,
   rustfmt,
   clippy,
   nvd,
   nix-output-monitor,
   cargo,
   rustc,
+  rustPlatform,
 }:
 mkShell {
   strictDeps = true;
@@ -15,7 +16,7 @@ mkShell {
     cargo
     rustc
 
-    rust-analyzer
+    rust-analyzer-unwrapped
     rustfmt
     clippy
     nvd
@@ -26,5 +27,6 @@ mkShell {
 
   env = {
     NH_NOM = "1";
+    RUST_SRC_PATH = "${rustPlatform.rustLibSrc}";
   };
 }