diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6daebbf..af3e503 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ${{ matrix.runs-on }}
     steps:
       - uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@v23
+      - uses: cachix/install-nix-action@v25
       - uses: ./
       - run: actionlint
       - run: shellcheck nix-develop-gha.sh
diff --git a/.github/workflows/new-release.yml b/.github/workflows/new-release.yml
new file mode 100644
index 0000000..cef7065
--- /dev/null
+++ b/.github/workflows/new-release.yml
@@ -0,0 +1,13 @@
+name: Release new version
+on:
+  release:
+    types: [released]
+permissions:
+  contents: write
+jobs:
+  update-major-tag:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/publish-action@v0.3.0
+        with:
+          source-tag: ${{ github.event.release.tag_name }}
diff --git a/README.md b/README.md
index 35e8dec..002394e 100644
--- a/README.md
+++ b/README.md
@@ -60,7 +60,7 @@ In other words, rather than [this](https://github.com/DeterminateSystems/nix-git
 
 ...you can do this:
 ```yaml
-      - uses: nicknovitski/nix-develop@1
+      - uses: nicknovitski/nix-develop@v1
       - run: cargo fmt --check
       - run: cargo-deny check
       - run: eclint \
@@ -73,7 +73,7 @@ In other words, rather than [this](https://github.com/DeterminateSystems/nix-git
 You can also pass arbitrary arguments, like using another flake reference:
 
 ```yaml 
-  - uses: nicknovitski/nix-develop@1
+  - uses: nicknovitski/nix-develop@v1
     with:
       arguments: "github:DeterminateSystems/zero-to-nix#multi"
 ```
diff --git a/nix-develop-gha.sh b/nix-develop-gha.sh
index 762cb81..5d30db8 100755
--- a/nix-develop-gha.sh
+++ b/nix-develop-gha.sh
@@ -6,7 +6,7 @@ set -euo pipefail
 IFS=" " read -r -a arguments <<<"${@:-./#default}"
 
 with_nix_develop() {
-	nix develop --ignore-environment "${arguments[@]}" --command "$@"
+	nix develop "${arguments[@]}" --command "$@"
 }
 
 with_nix_develop true # Exit immediately if build fails
@@ -26,7 +26,7 @@ while IFS='=' read -r -d '' n v; do
 		continue
 	fi
 	if (("$(wc -l <<<"$v")" > 1)); then
-		delimiter=$(openssl rand -base64 18)
+		delimiter=BzcqNQnW6x7hfGlLbvCyDlvD
 		if contains "$delimiter" "$v"; then
 			echo "Environment variable $n contains randomly generated string $delimiter, file an issue and buy a lottery ticket."
 			exit 1