diff --git a/.github/workflows/check_scripts.yml b/.github/workflows/check_scripts.yml
index db32221..c13dba3 100644
--- a/.github/workflows/check_scripts.yml
+++ b/.github/workflows/check_scripts.yml
@@ -1,6 +1,6 @@
 name: check_scripts
 
-on: [push, pull_request]
+on: [push, pull_request, workflow_dispatch]
 
 jobs:
   check:
diff --git a/.github/workflows/hdl_synthesis.yml b/.github/workflows/hdl_synthesis.yml
index adbe687..f4432ae 100644
--- a/.github/workflows/hdl_synthesis.yml
+++ b/.github/workflows/hdl_synthesis.yml
@@ -1,6 +1,6 @@
 name: hdl_synthesis
 
-on: [push, pull_request]
+on: [push, pull_request, workflow_dispatch]
 
 jobs:
 
diff --git a/.github/workflows/testsuite.yml b/.github/workflows/testsuite.yml
index 960ed64..a663667 100644
--- a/.github/workflows/testsuite.yml
+++ b/.github/workflows/testsuite.yml
@@ -1,6 +1,6 @@
 name: testsuite
 
-on: [push, pull_request]
+on: [push, pull_request, workflow_dispatch]
 
 jobs:
   testsuite: