diff --git a/1.6/windows/windowsservercore/Dockerfile b/1.6/windows/windowsservercore/Dockerfile
index 4ad63efd..2948c68c 100644
--- a/1.6/windows/windowsservercore/Dockerfile
+++ b/1.6/windows/windowsservercore/Dockerfile
@@ -4,10 +4,10 @@ FROM microsoft/windowsservercore
 SHELL ["powershell", "-Command", "$ErrorActionPreference = 'Stop'; $ProgressPreference = 'SilentlyContinue';"]
 
 # install Git (especially for "go get")
-ENV GIT_VERSION 2.9.2
+ENV GIT_VERSION 2.11.0
 ENV GIT_TAG v${GIT_VERSION}.windows.1
 ENV GIT_DOWNLOAD_URL https://github.com/git-for-windows/git/releases/download/${GIT_TAG}/Git-${GIT_VERSION}-64-bit.exe
-ENV GIT_DOWNLOAD_SHA256 006d971bcbe73cc8d841a100a4eb20d22e135142bf5b0f2120722fd420e166e5
+ENV GIT_DOWNLOAD_SHA256 fd1937ea8468461d35d9cabfcdd2daa3a74509dc9213c43c2b9615e8f0b85086
 # steps inspired by "chcolateyInstall.ps1" from "git.install" (https://chocolatey.org/packages/git.install)
 RUN Write-Host ('Downloading {0} ...' -f $env:GIT_DOWNLOAD_URL); \
 	Invoke-WebRequest -Uri $env:GIT_DOWNLOAD_URL -OutFile 'git.exe'; \
diff --git a/1.7/windows/windowsservercore/Dockerfile b/1.7/windows/windowsservercore/Dockerfile
index cbc1714e..cda2a2e6 100644
--- a/1.7/windows/windowsservercore/Dockerfile
+++ b/1.7/windows/windowsservercore/Dockerfile
@@ -4,10 +4,10 @@ FROM microsoft/windowsservercore
 SHELL ["powershell", "-Command", "$ErrorActionPreference = 'Stop'; $ProgressPreference = 'SilentlyContinue';"]
 
 # install Git (especially for "go get")
-ENV GIT_VERSION 2.9.2
+ENV GIT_VERSION 2.11.0
 ENV GIT_TAG v${GIT_VERSION}.windows.1
 ENV GIT_DOWNLOAD_URL https://github.com/git-for-windows/git/releases/download/${GIT_TAG}/Git-${GIT_VERSION}-64-bit.exe
-ENV GIT_DOWNLOAD_SHA256 006d971bcbe73cc8d841a100a4eb20d22e135142bf5b0f2120722fd420e166e5
+ENV GIT_DOWNLOAD_SHA256 fd1937ea8468461d35d9cabfcdd2daa3a74509dc9213c43c2b9615e8f0b85086
 # steps inspired by "chcolateyInstall.ps1" from "git.install" (https://chocolatey.org/packages/git.install)
 RUN Write-Host ('Downloading {0} ...' -f $env:GIT_DOWNLOAD_URL); \
 	Invoke-WebRequest -Uri $env:GIT_DOWNLOAD_URL -OutFile 'git.exe'; \
diff --git a/1.8/windows/windowsservercore/Dockerfile b/1.8/windows/windowsservercore/Dockerfile
index b71c26f5..5283b404 100644
--- a/1.8/windows/windowsservercore/Dockerfile
+++ b/1.8/windows/windowsservercore/Dockerfile
@@ -4,10 +4,10 @@ FROM microsoft/windowsservercore
 SHELL ["powershell", "-Command", "$ErrorActionPreference = 'Stop'; $ProgressPreference = 'SilentlyContinue';"]
 
 # install Git (especially for "go get")
-ENV GIT_VERSION 2.9.2
+ENV GIT_VERSION 2.11.0
 ENV GIT_TAG v${GIT_VERSION}.windows.1
 ENV GIT_DOWNLOAD_URL https://github.com/git-for-windows/git/releases/download/${GIT_TAG}/Git-${GIT_VERSION}-64-bit.exe
-ENV GIT_DOWNLOAD_SHA256 006d971bcbe73cc8d841a100a4eb20d22e135142bf5b0f2120722fd420e166e5
+ENV GIT_DOWNLOAD_SHA256 fd1937ea8468461d35d9cabfcdd2daa3a74509dc9213c43c2b9615e8f0b85086
 # steps inspired by "chcolateyInstall.ps1" from "git.install" (https://chocolatey.org/packages/git.install)
 RUN Write-Host ('Downloading {0} ...' -f $env:GIT_DOWNLOAD_URL); \
 	Invoke-WebRequest -Uri $env:GIT_DOWNLOAD_URL -OutFile 'git.exe'; \