diff --git a/.ci/check-all-depandants.yml b/.ci/check-all-depandants.yml
index c3ffa046..f96dffdf 100644
--- a/.ci/check-all-depandants.yml
+++ b/.ci/check-all-depandants.yml
@@ -5,6 +5,8 @@
 
 trigger:
 - master
+pr:
+- master
 
 pool:
   vmImage: 'vs2017-win2016'
@@ -62,4 +64,4 @@ steps:
 - task: PowerShell@2
   displayName: 'Clone and Build all Dependencies'
   inputs:
-    filePath: '$(Build.SourcesDirectory)/Test_Toolkit/CloneAndBuildDependencies.ps1'
\ No newline at end of file
+    filePath: '$(Build.SourcesDirectory)/Test_Toolkit/CloneAndBuildDependencies.ps1'
diff --git a/.ci/check-core.yml b/.ci/check-core.yml
index 13954749..1c0ea8f6 100644
--- a/.ci/check-core.yml
+++ b/.ci/check-core.yml
@@ -5,6 +5,8 @@
 
 trigger:
 - master
+pr:
+- master
 
 pool:
   vmImage: 'vs2017-win2016'
@@ -57,4 +59,4 @@ steps:
 - task: PowerShell@2
   displayName: 'Clone and Build Core Dependencies'
   inputs:
-    filePath: '$(Build.SourcesDirectory)/Test_Toolkit/CloneAndBuildCore.ps1'
\ No newline at end of file
+    filePath: '$(Build.SourcesDirectory)/Test_Toolkit/CloneAndBuildCore.ps1'
diff --git a/.ci/check-installer.yml b/.ci/check-installer.yml
index 595597c0..ffeadeff 100644
--- a/.ci/check-installer.yml
+++ b/.ci/check-installer.yml
@@ -5,6 +5,8 @@
 
 trigger:
 - master
+pr:
+- master
 
 pool:
   vmImage: 'vs2017-win2016'
@@ -40,4 +42,4 @@ steps:
 - task: PowerShell@2
   displayName: 'Run BHoM_Installer tasks'
   inputs:
-    filePath: '$(Build.SourcesDirectory)/Test_Toolkit/BuildInstaller.ps1'
\ No newline at end of file
+    filePath: '$(Build.SourcesDirectory)/Test_Toolkit/BuildInstaller.ps1'
diff --git a/.ci/run-compliance-tests.yml b/.ci/run-compliance-tests.yml
index bae02034..9a614c81 100644
--- a/.ci/run-compliance-tests.yml
+++ b/.ci/run-compliance-tests.yml
@@ -5,6 +5,8 @@
 
 trigger:
 - master
+pr:
+- master
 
 pool:
   vmImage: 'vs2017-win2016'
@@ -58,4 +60,4 @@ steps:
   inputs:
     testSelector: 'testAssemblies'
     testAssemblyVer2: '$(Build.SourcesDirectory)/Test_Toolkit/Build/CodeComplianceTest_Test.dll'
-    runSettingsFile: '.ci/testSettings.runsettings'
\ No newline at end of file
+    runSettingsFile: '.ci/testSettings.runsettings'