diff --git a/ext/ise_library/curl b/ext/ise_library/curl
index 19637b61..f17f785e 160000
--- a/ext/ise_library/curl
+++ b/ext/ise_library/curl
@@ -1 +1 @@
-Subproject commit 19637b616b5edfdd99c6a0bc9a70656597362eb8
+Subproject commit f17f785ee36db5b424ce40dfcd7bbd41924613bc
diff --git a/tools/update_git_working_copy.bat b/tools/update_git_working_copy.bat
new file mode 100644
index 00000000..595d0cbe
--- /dev/null
+++ b/tools/update_git_working_copy.bat
@@ -0,0 +1,9 @@
+cd %~dp0..
+echo Pull changes from origin master
+call git pull origin master
+
+echo Update all submodule recursively
+call git submodule update --recursive 
+
+echo Checkout master branch for each submodule recursively
+call git submodule foreach --recursive git checkout master
diff --git a/tools/update_git_working_copy.sh b/tools/update_git_working_copy.sh
new file mode 100644
index 00000000..8512932f
--- /dev/null
+++ b/tools/update_git_working_copy.sh
@@ -0,0 +1,11 @@
+#!/bin/sh
+
+cd ..
+echo Pull changes from origin master
+call git pull origin master
+
+echo Update all submodule recursively
+call git submodule update --recursive 
+
+echo Checkout master branch for each submodule recursively
+call git submodule foreach --recursive git checkout master