diff --git a/build/azure-pipelines/darwin/continuous-build-darwin.yml b/build/azure-pipelines/darwin/continuous-build-darwin.yml
index 631b9af7f10..954e5bca636 100644
--- a/build/azure-pipelines/darwin/continuous-build-darwin.yml
+++ b/build/azure-pipelines/darwin/continuous-build-darwin.yml
@@ -25,6 +25,12 @@ steps:
     vstsFeed: 'vscode-build-cache'
   condition: and(succeeded(), ne(variables['CacheRestored'], 'true'))
 
+- script: |
+    set -e
+    yarn postinstall
+  displayName: Run postinstall scripts
+  condition: and(succeeded(), eq(variables['CacheRestored'], 'true'))
+
 - script: |
     yarn electron x64
   displayName: Download Electron
diff --git a/build/azure-pipelines/linux/continuous-build-linux.yml b/build/azure-pipelines/linux/continuous-build-linux.yml
index 41225110f37..58e14ab0dcd 100644
--- a/build/azure-pipelines/linux/continuous-build-linux.yml
+++ b/build/azure-pipelines/linux/continuous-build-linux.yml
@@ -34,6 +34,12 @@ steps:
     vstsFeed: 'vscode-build-cache'
   condition: and(succeeded(), ne(variables['CacheRestored'], 'true'))
 
+- script: |
+    set -e
+    yarn postinstall
+  displayName: Run postinstall scripts
+  condition: and(succeeded(), eq(variables['CacheRestored'], 'true'))
+
 - script: |
     yarn electron x64
   displayName: Download Electron
diff --git a/build/azure-pipelines/win32/continuous-build-win32.yml b/build/azure-pipelines/win32/continuous-build-win32.yml
index 8600377139c..6107eacc66c 100644
--- a/build/azure-pipelines/win32/continuous-build-win32.yml
+++ b/build/azure-pipelines/win32/continuous-build-win32.yml
@@ -32,6 +32,13 @@ steps:
     vstsFeed: 'vscode-build-cache'
   condition: and(succeeded(), ne(variables['CacheRestored'], 'true'))
 
+- powershell: |
+    . build/azure-pipelines/win32/exec.ps1
+    $ErrorActionPreference = "Stop"
+    exec { yarn postinstall }
+  displayName: Run postinstall scripts
+  condition: and(succeeded(), eq(variables['CacheRestored'], 'true'))
+
 - powershell: |
     yarn electron
   displayName: Download Electron