diff --git a/build.cmd b/build.cmd
index c730cef4..0689b3f0 100644
--- a/build.cmd
+++ b/build.cmd
@@ -1,6 +1,6 @@
 @echo off
 
-"tools\nuget\nuget.exe" "install" "FAKE.Core" "-OutputDirectory" "tools" "-ExcludeVersion" "-version" "2.15.2"
+"tools\nuget\nuget.exe" "install" "FAKE.Core" "-OutputDirectory" "tools" "-ExcludeVersion" "-version" "2.18.1"
 
 :Build
 cls
diff --git a/script/cibuild.ps1 b/script/cibuild.ps1
index f4da77b8..71feefbb 100644
--- a/script/cibuild.ps1
+++ b/script/cibuild.ps1
@@ -84,7 +84,7 @@ if ($Clean) {
 
 Write-Output "Installing FAKE..."
 Write-Output ""
-.\tools\nuget\nuget.exe "install" "FAKE.Core" "-OutputDirectory" "tools" "-ExcludeVersion" "-Version" "2.15.2"
+.\tools\nuget\nuget.exe "install" "FAKE.Core" "-OutputDirectory" "tools" "-ExcludeVersion" "-Version" "2.18.1"
 
 Write-Output "Building Octokit..."
 Write-Output ""