diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 4ec012d..340c5c7 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -4,7 +4,7 @@ name: Build XmippCore
 # Specify when the Action should be triggered: when a pull request is opened against the 'devel' or 'master' branch
 on:
   pull_request:
-    branches: [ devel, master ]
+  workflow_dispatch:
 
 jobs:
   build:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 3d91314..513362a 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -1,7 +1,6 @@
 name: Release new version
 on:
-  push:
-    branches: [ master ]
+  workflow_dispatch:
 
 jobs:
   generate-new-release: