diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 5e08009ec17..c81275c518f 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -14,6 +14,10 @@ jobs:
       versionSpec: 10.x
     displayName: 'Install Node.js'
 
+  - bash: |
+      npm install -g yarn@1.17.2
+    displayName: "Install Yarn 1.17.2+"
+
   - bash: |
       YARN_ENABLE_NETWORK=0 node ./scripts/run-yarn.js --frozen-lockfile
     displayName: "Check that the Yarn files don't change on new installs"
diff --git a/scripts/azure-run-tests.yml b/scripts/azure-run-tests.yml
index b7e5430cd40..2ea5b996b28 100644
--- a/scripts/azure-run-tests.yml
+++ b/scripts/azure-run-tests.yml
@@ -5,6 +5,10 @@ steps:
     versionSpec: $(node_version)
   displayName: 'Install Node.js'
 
+- bash: |
+    npm install -g yarn@1.17.2
+  displayName: "Install Yarn 1.17.2+"
+
 - bash: |
     set -e
     node --version