diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1eaa00abbd..58685510ac 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,6 +11,10 @@ env:
   CARGO_TERM_COLOR: always
   NIGHTLY_TOOLCHAIN: nightly
 
+concurrency:
+  group: ${{github.workflow}}-${{github.ref}}
+  cancel-in-progress: ${{github.event_name == 'pull_request'}}
+
 jobs:
   build:
     strategy:
diff --git a/.github/workflows/dependencies.yml b/.github/workflows/dependencies.yml
index 424f2354c7..ceb0f42b05 100644
--- a/.github/workflows/dependencies.yml
+++ b/.github/workflows/dependencies.yml
@@ -12,6 +12,10 @@ on:
     branches:
       - main
 
+concurrency:
+  group: ${{github.workflow}}-${{github.ref}}
+  cancel-in-progress: ${{github.event_name == 'pull_request'}}
+
 env:
   CARGO_TERM_COLOR: always
 
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index e8b8282f3c..63de216762 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -4,7 +4,6 @@ on:
   push:
     branches:
       - 'main'
-
   # Allows running the action manually.
   workflow_dispatch:
 
diff --git a/.github/workflows/validation-jobs.yml b/.github/workflows/validation-jobs.yml
index 948435dd60..7e7d2029ac 100644
--- a/.github/workflows/validation-jobs.yml
+++ b/.github/workflows/validation-jobs.yml
@@ -7,6 +7,11 @@ on:
     branches:
       - main
 
+
+concurrency:
+  group: ${{github.workflow}}-${{github.ref}}
+  cancel-in-progress: ${{github.event_name == 'pull_request'}}
+
 env:
   CARGO_TERM_COLOR: always
   NIGHTLY_TOOLCHAIN: nightly