diff --git a/.tangled/workflows/build.yml b/.tangled/workflows/build.yml
--- a/.tangled/workflows/build.yml
+++ b/.tangled/workflows/build.yml
@@ -1,6 +1,6 @@
 when:
   - event: ["push", "pull_request"]
-    branch: ["master"]
+    branch: master
 
 engine: nixery
 
diff --git a/.tangled/workflows/fmt.yml b/.tangled/workflows/fmt.yml
--- a/.tangled/workflows/fmt.yml
+++ b/.tangled/workflows/fmt.yml
@@ -1,6 +1,6 @@
 when:
   - event: ["push", "pull_request"]
-    branch: ["master"]
+    branch: master
 
 engine: nixery
 
diff --git a/.tangled/workflows/test.yml b/.tangled/workflows/test.yml
--- a/.tangled/workflows/test.yml
+++ b/.tangled/workflows/test.yml
@@ -1,6 +1,6 @@
 when:
   - event: ["push", "pull_request"]
-    branch: ["master"]
+    branch: master
 
 engine: nixery