diff --git a/eng/scripts/MgmtTestLib.ps1 b/eng/scripts/MgmtTestLib.ps1
index 4c397d93c734..a2c6655f7353 100644
--- a/eng/scripts/MgmtTestLib.ps1
+++ b/eng/scripts/MgmtTestLib.ps1
@@ -21,8 +21,8 @@ function Invoke-MgmtTestgen ()
         [string]$autorestPath = "",
         [string]$config = "autorest.md",
         [string]$autorestVersion = "3.8.2",
-        [string]$goExtension = "@autorest/go@4.0.0-preview.44",
-        [string]$testExtension = "@autorest/gotest@4.3.0",
+        [string]$goExtension = "@autorest/go@4.0.0-preview.45",
+        [string]$testExtension = "@autorest/gotest@4.5.0",
         [string]$outputFolder
     )
     if ($clean)
diff --git a/eng/scripts/build.ps1 b/eng/scripts/build.ps1
index 7511a01ecc66..a16a01ae7f7e 100644
--- a/eng/scripts/build.ps1
+++ b/eng/scripts/build.ps1
@@ -12,7 +12,7 @@ param(
     [switch]$removeUnreferencedTypes,
     [string]$config = "autorest.md",
     [string]$autorestVersion = "3.8.2",
-    [string]$goExtension = "@autorest/go@4.0.0-preview.44",
+    [string]$goExtension = "@autorest/go@4.0.0-preview.45",
     [string]$filePrefix,
     [string]$outputFolder
 )