diff --git a/.azuredevops/azure-pipelines.yml b/.azuredevops/azure-pipelines.yml
index d913933..4b5e175 100644
--- a/.azuredevops/azure-pipelines.yml
+++ b/.azuredevops/azure-pipelines.yml
@@ -2,8 +2,16 @@ pool:
   vmImage: 'ubuntu-latest'
 
 variables:
+  - name: bufVersion
+    value: v1.45.0
+  - name: golangCiLintVersion
+    value: v1.61.0
   - name: goVersion
     value: 1.23.0
+  - name: protobufValidateVersion
+    value: v1.1.0
+  - name: protobufVersion
+    value: v1.34.2
   - name: GOPATH
     value: '$(system.defaultWorkingDirectory)/gopath'
 
@@ -25,10 +33,10 @@ stages:
 
           - bash: |
               set -e
-              go install google.golang.org/protobuf/cmd/protoc-gen-go@v1.34.2
-              go install github.com/envoyproxy/protoc-gen-validate@v1.1.0
-              go install github.com/bufbuild/buf/cmd/buf@v1.45.0
-              curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v1.61.0
+              go install google.golang.org/protobuf/cmd/protoc-gen-go@$(protobufVersion)
+              go install github.com/envoyproxy/protoc-gen-validate@$(protobufValidateVersion)
+              go install github.com/bufbuild/buf/cmd/buf@$(bufVersion)
+              curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin $(golangCiLintVersion)
             condition: succeeded()
             displayName: Install build dependencies