diff --git a/.github/workflows/clang-c++11.yml b/.github/workflows/clang-c++11.yml
index 2e243e80..610b4529 100644
--- a/.github/workflows/clang-c++11.yml
+++ b/.github/workflows/clang-c++11.yml
@@ -4,6 +4,7 @@ on:
     branches: [ master, development, pull-request/* ]
   pull_request:
     branches: [ master, pull-request/* ]
+    types: [opened, synchronize, reopened]
 
 jobs:
 
diff --git a/.github/workflows/clang-c++14.yml b/.github/workflows/clang-c++14.yml
index 7d2338d3..233eabff 100644
--- a/.github/workflows/clang-c++14.yml
+++ b/.github/workflows/clang-c++14.yml
@@ -4,6 +4,7 @@ on:
     branches: [ master, development, pull-request/* ]
   pull_request:
     branches: [ master, pull-request/* ]
+    types: [opened, synchronize, reopened]
 
 jobs:
 
diff --git a/.github/workflows/clang-c++17.yml b/.github/workflows/clang-c++17.yml
index 62afaf42..2c659fc6 100644
--- a/.github/workflows/clang-c++17.yml
+++ b/.github/workflows/clang-c++17.yml
@@ -4,6 +4,7 @@ on:
     branches: [ master, development, pull-request/* ]
   pull_request:
     branches: [ master, pull-request/* ]
+    types: [opened, synchronize, reopened]
 
 jobs:
 
diff --git a/.github/workflows/clang-c++20.yml b/.github/workflows/clang-c++20.yml
index e403e5c0..d1e640a6 100644
--- a/.github/workflows/clang-c++20.yml
+++ b/.github/workflows/clang-c++20.yml
@@ -4,6 +4,7 @@ on:
     branches: [ master, development, pull-request/* ]
   pull_request:
     branches: [ master, pull-request/* ]
+    types: [opened, synchronize, reopened]
 
 jobs:
 
diff --git a/.github/workflows/clang-syntax-checks.yml b/.github/workflows/clang-syntax-checks.yml
index c0c5f4e2..0b32ecb2 100644
--- a/.github/workflows/clang-syntax-checks.yml
+++ b/.github/workflows/clang-syntax-checks.yml
@@ -4,6 +4,7 @@ on:
     branches: [ master, development, pull-request/* ]
   pull_request:
     branches: [ master, pull-request/* ]
+    types: [opened, synchronize, reopened]
 
 jobs:
   build-clang-cpp03-linux-STL:
diff --git a/.github/workflows/gcc-c++11.yml b/.github/workflows/gcc-c++11.yml
index f4cea1b3..100d179c 100644
--- a/.github/workflows/gcc-c++11.yml
+++ b/.github/workflows/gcc-c++11.yml
@@ -4,6 +4,7 @@ on:
     branches: [ master, development, pull-request/* ]
   pull_request:
     branches: [ master, pull-request/* ]
+    types: [opened, synchronize, reopened]
 
 jobs:
   
diff --git a/.github/workflows/gcc-c++14.yml b/.github/workflows/gcc-c++14.yml
index a24f9312..881f4607 100644
--- a/.github/workflows/gcc-c++14.yml
+++ b/.github/workflows/gcc-c++14.yml
@@ -4,6 +4,7 @@ on:
     branches: [ master, development, pull-request/* ]
   pull_request:
     branches: [ master, pull-request/* ]
+    types: [opened, synchronize, reopened]
 
 jobs:
 
diff --git a/.github/workflows/gcc-c++17.yml b/.github/workflows/gcc-c++17.yml
index f16538ff..931c9a6d 100644
--- a/.github/workflows/gcc-c++17.yml
+++ b/.github/workflows/gcc-c++17.yml
@@ -4,6 +4,7 @@ on:
     branches: [ master, development, pull-request/* ]
   pull_request:
     branches: [ master, pull-request/* ]
+    types: [opened, synchronize, reopened]
 
 jobs:
 
diff --git a/.github/workflows/gcc-c++20.yml b/.github/workflows/gcc-c++20.yml
index 35de10cf..9240046a 100644
--- a/.github/workflows/gcc-c++20.yml
+++ b/.github/workflows/gcc-c++20.yml
@@ -4,6 +4,7 @@ on:
     branches: [ master, development, pull-request/* ]
   pull_request:
     branches: [ master, pull-request/* ]
+    types: [opened, synchronize, reopened]
 
 jobs:
 
diff --git a/.github/workflows/gcc-syntax-checks.yml b/.github/workflows/gcc-syntax-checks.yml
index 106d6d3b..6db13f7b 100644
--- a/.github/workflows/gcc-syntax-checks.yml
+++ b/.github/workflows/gcc-syntax-checks.yml
@@ -4,6 +4,7 @@ on:
     branches: [ master, development, pull-request/* ]
   pull_request:
     branches: [ master, pull-request/* ]
+    types: [opened, synchronize, reopened]
 
 jobs:
   build-gcc-cpp03-linux-STL:
diff --git a/.github/workflows/msvc.yml b/.github/workflows/msvc.yml
index f910048a..466e8171 100644
--- a/.github/workflows/msvc.yml
+++ b/.github/workflows/msvc.yml
@@ -4,6 +4,7 @@ on:
     branches: [ master, development, pull-request/* ]
   pull_request:
     branches: [ master, pull-request/* ]
+    types: [opened, synchronize, reopened]
 
 jobs:
   build-windows-msvc-stl: