diff --git a/.github/workflows/build_wheels_linux.yml b/.github/workflows/build_wheels_linux.yml
index 7ff34a18..d11fad77 100644
--- a/.github/workflows/build_wheels_linux.yml
+++ b/.github/workflows/build_wheels_linux.yml
@@ -4,6 +4,7 @@ on:
   pull_request:
     branches:
       - master
+      - 3.4
     paths-ignore:
       - '.github/workflows/build_wheels_linux_arm.yml'
       - '.github/workflows/build_wheels_windows*'
diff --git a/.github/workflows/build_wheels_linux_arm.yml b/.github/workflows/build_wheels_linux_arm.yml
index 89142a57..0b206c7e 100644
--- a/.github/workflows/build_wheels_linux_arm.yml
+++ b/.github/workflows/build_wheels_linux_arm.yml
@@ -4,6 +4,7 @@ on:
   pull_request:
     branches:
       - master
+      - 3.4
     paths-ignore:
       - '.github/workflows/build_wheels_linux.yml'
       - '.github/workflows/build_wheels_windows*'
diff --git a/.github/workflows/build_wheels_macos.yml b/.github/workflows/build_wheels_macos.yml
index d4f10be0..891fdf88 100644
--- a/.github/workflows/build_wheels_macos.yml
+++ b/.github/workflows/build_wheels_macos.yml
@@ -4,6 +4,7 @@ on:
   pull_request:
     branches:
       - master
+      - 3.4
     paths-ignore:
       - '.github/workflows/build_wheels_linux*'
       - '.github/workflows/build_wheels_windows*'
diff --git a/.github/workflows/build_wheels_macos_m1.yml b/.github/workflows/build_wheels_macos_m1.yml
index 79164dcf..5aeb0976 100644
--- a/.github/workflows/build_wheels_macos_m1.yml
+++ b/.github/workflows/build_wheels_macos_m1.yml
@@ -4,6 +4,7 @@ on:
   pull_request:
     branches:
       - master
+      - 3.4
     paths-ignore:
       - '.github/workflows/build_wheels_linux*'
       - '.github/workflows/build_wheels_windows*'
diff --git a/.github/workflows/build_wheels_windows.yml b/.github/workflows/build_wheels_windows.yml
index 3eb13086..24d1d14e 100644
--- a/.github/workflows/build_wheels_windows.yml
+++ b/.github/workflows/build_wheels_windows.yml
@@ -4,6 +4,7 @@ on:
   pull_request:
     branches:
       - master
+      - 3.4
     paths-ignore:
       - '.github/workflows/build_wheels_linux*'
       - '.github/workflows/build_wheels_macos*'