diff --git a/ci/build.linux.gitlab-ci.yml b/ci/build.linux.gitlab-ci.yml
index ff319b861..0027c0de6 100644
--- a/ci/build.linux.gitlab-ci.yml
+++ b/ci/build.linux.gitlab-ci.yml
@@ -13,6 +13,7 @@
   rules:
     - if: $CI_PIPELINE_SOURCE == "schedule" && $CI_PROJECT_NAMESPACE == "libeigen"
     - if: $CI_PIPELINE_SOURCE == "web" && $CI_PROJECT_NAMESPACE == "libeigen"
+    - if: $CI_PIPELINE_SOURCE == "merge_request_event" && $CI_PROJECT_NAMESPACE == "libeigen" && $CI_MERGE_REQUEST_LABELS =~ "/all-tests/"
   cache:
     key: "$CI_JOB_NAME_SLUG-$CI_COMMIT_REF_SLUG-BUILD"
     paths:
@@ -110,6 +111,8 @@ build:linux:docs:
     - if: $CI_PIPELINE_SOURCE == "schedule" && $CI_PROJECT_NAMESPACE == "libeigen"
     - if: $CI_PIPELINE_SOURCE == "web" && $CI_PROJECT_NAMESPACE == "libeigen"
     - if: $CI_PIPELINE_SOURCE == "push" && $CI_PROJECT_NAMESPACE == "libeigen"
+    - if: $CI_PIPELINE_SOURCE == "merge_request_event" && $CI_PROJECT_NAMESPACE == "libeigen" && $CI_MERGE_REQUEST_LABELS =~ "/all-tests/"
+
 
 # # Sanitizers (Disabled because ASAN hangs and MSAN requires instrumented libc++)
 # build:linux:cross:x86-64:clang-12:default:asan:
diff --git a/ci/build.windows.gitlab-ci.yml b/ci/build.windows.gitlab-ci.yml
index 2fc21beab..604fd2ca0 100644
--- a/ci/build.windows.gitlab-ci.yml
+++ b/ci/build.windows.gitlab-ci.yml
@@ -16,6 +16,8 @@
   rules:
     - if: $CI_PIPELINE_SOURCE == "schedule" && $CI_PROJECT_NAMESPACE == "libeigen"
     - if: $CI_PIPELINE_SOURCE == "web" && $CI_PROJECT_NAMESPACE == "libeigen"
+    - if: $CI_PIPELINE_SOURCE == "merge_request_event" && $CI_PROJECT_NAMESPACE == "libeigen" && $CI_MERGE_REQUEST_LABELS =~ "/all-tests/"
+
   cache:
     key: "$CI_JOB_NAME-$CI_COMMIT_REF_SLUG-BUILD"
     paths:
diff --git a/ci/test.linux.gitlab-ci.yml b/ci/test.linux.gitlab-ci.yml
index 0e870f15b..de644b03e 100644
--- a/ci/test.linux.gitlab-ci.yml
+++ b/ci/test.linux.gitlab-ci.yml
@@ -8,6 +8,7 @@
   rules:
     - if: $CI_PIPELINE_SOURCE == "schedule" && $CI_PROJECT_NAMESPACE == "libeigen"
     - if: $CI_PIPELINE_SOURCE == "web" && $CI_PROJECT_NAMESPACE == "libeigen"
+    - if: $CI_PIPELINE_SOURCE == "merge_request_event" && $CI_PROJECT_NAMESPACE == "libeigen" && $CI_MERGE_REQUEST_LABELS =~ "/all-tests/"
 
 ##### x86-64 ###################################################################
 .test:linux:x86-64:
diff --git a/ci/test.windows.gitlab-ci.yml b/ci/test.windows.gitlab-ci.yml
index 75bd6af4e..a7a66fa81 100644
--- a/ci/test.windows.gitlab-ci.yml
+++ b/ci/test.windows.gitlab-ci.yml
@@ -6,8 +6,10 @@
   after_script:
     - ./ci/scripts/test.windows.after_script.ps1
   rules:
-    - if: $CI_PIPELINE_SOURCE == "schedule"
-    - if: $CI_PIPELINE_SOURCE == "web"
+    - if: $CI_PIPELINE_SOURCE == "schedule" && $CI_PROJECT_NAMESPACE == "libeigen"
+    - if: $CI_PIPELINE_SOURCE == "web" && $CI_PROJECT_NAMESPACE == "libeigen"
+    - if: $CI_PIPELINE_SOURCE == "merge_request_event" && $CI_PROJECT_NAMESPACE == "libeigen" && $CI_MERGE_REQUEST_LABELS =~ "/all-tests/"
+
   tags: 
     - eigen-runner
     - windows