diff --git a/.github/workflows/build-nightly-container.yml b/.github/workflows/build-nightly-container.yml
index 8acb63d7..396946cc 100644
--- a/.github/workflows/build-nightly-container.yml
+++ b/.github/workflows/build-nightly-container.yml
@@ -14,6 +14,9 @@ on:
       - screenshots/*
       - .github/ISSUE_TEMPLATE/*
       - kubernetes/**
+      # Nix development files that are not used here.
+      - "*.nix"
+      - flake.lock
 
 jobs:
   release:
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9f8d1044..fefb632d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -24,6 +24,10 @@ on:
       - .github/ISSUE_TEMPLATE/*
       - kubernetes/**
 
+      # Nix development files that are not used here.
+      - "*.nix"
+      - flake.flake
+
 jobs:
   build: