diff --git a/.github/workflows/cicd.yml b/.github/workflows/cicd.yml
index 4808ef0..dbfcfb1 100644
--- a/.github/workflows/cicd.yml
+++ b/.github/workflows/cicd.yml
@@ -48,7 +48,6 @@ jobs:
           - macos-12
           - macos-11
         nix_version:
-          - 2.22.0
           - 2.21.2
           - 2.20.6
           - 2.19.4
@@ -93,7 +92,6 @@ jobs:
           - macos-12
           - macos-11
         nix_version:
-          - 2.22.0
           - 2.21.2
           - 2.20.6
           - 2.19.4
@@ -139,7 +137,6 @@ jobs:
           - macos-12
           - macos-11
         nix_version:
-          - 2.22.0
           - 2.21.2
           - 2.20.6
           - 2.19.4
diff --git a/flake.nix b/flake.nix
index 83dbb64..068cabf 100644
--- a/flake.nix
+++ b/flake.nix
@@ -52,8 +52,7 @@
       nixVersions = system: lib.listToAttrs (map (nix: lib.nameValuePair
         nix.version nix
       ) (
-        [ nixpkgs-unstable.legacyPackages.${system}.nixVersions.nix_2_22
-          nixpkgs-unstable.legacyPackages.${system}.nixVersions.nix_2_21
+        [ nixpkgs-unstable.legacyPackages.${system}.nixVersions.nix_2_21
           nixpkgs-unstable.legacyPackages.${system}.nixVersions.nix_2_20
           nixpkgs-unstable.legacyPackages.${system}.nixVersions.nix_2_19
           nixpkgs-unstable.legacyPackages.${system}.nixVersions.nix_2_18