diff --git a/deps/update_pjsip_210/update_pjsip.sh b/deps/update_pjsip_210/update_pjsip.sh
index 5f2fa3cf..5f967662 100755
--- a/deps/update_pjsip_210/update_pjsip.sh
+++ b/deps/update_pjsip_210/update_pjsip.sh
@@ -1,99 +1,102 @@
 #!/bin/bash
 
 
 #
 # Revert all non-commited changes
 #
 
 echo
 echo "Revert uncommitted changes..."
 echo
 
 darcs revert -a ../../sipsimple/configuration/
 darcs revert -a ../../sipsimple/core/
 darcs revert -a ../../deps/pjsip/
 darcs revert -a ../../setup_pjsip.py
 
 #
 # Update PJSIP 
 #
 # Get latest stable release from github
 if [ ! -f 2.10.tar.gz ]; then
     echo Downloading PJSIP 2.10...
     wget https://github.com/pjsip/pjproject/archive/2.10.tar.gz
     if [ $? -eq 0 ]; then
         echo "PJSIP downloaded"
     else
        echo Fail to download PJSIP
        exit 1
     fi
 fi
 
 tar xzf 2.10.tar.gz
 
 echo
 echo Copying old files
 mkdir old
 mv ../pjsip old/
 echo Updating pjsip
 mv pjproject* ../pjsip
 
 #
 # Update ZSRTP
 #
 
 # Clone latest version from github
 if [ ! -d ZRTPCPP ]; then
     echo Downloading ZRTP...
     git clone https://github.com/wernerd/ZRTPCPP.git
     if [ $? -eq 0 ]; then
         echo "ZRTP downloaded"
+        cd ZRTPCPP
+        git checkout 6b3cd8e6783642292bad0c21e3e5e5ce45ff3e03
+        cd ..
     else
        echo Fail to download ZRTP
        exit 1
     fi
 fi
 
 # Copy wrapper from old version to third_party/zsrtp/
 echo Copying zsrtp wrapper from old version to third_party/zsrtp/
 mkdir ../pjsip/third_party/zsrtp
 cp -r old/pjsip/third_party/zsrtp/include ../pjsip/third_party/zsrtp/
 cp -r old/pjsip/third_party/zsrtp/srtp ../pjsip/third_party/zsrtp/
 cp -r old/pjsip/third_party/build/zsrtp ../pjsip/third_party/build/
 
 # Copy new version to third_party/zsrtp/
 echo Copying new version of zrtp to third_party/zsrtp/
 mkdir ../pjsip/third_party/zsrtp/zrtp
 cp -r ZRTPCPP/bnlib ../pjsip/third_party/zsrtp/zrtp/
 cp -r ZRTPCPP/common ../pjsip/third_party/zsrtp/zrtp/
 cp -r ZRTPCPP/cryptcommon ../pjsip/third_party/zsrtp/zrtp/
 cp -r ZRTPCPP/srtp ../pjsip/third_party/zsrtp/zrtp/
 cp -r ZRTPCPP/zrtp ../pjsip/third_party/zsrtp/zrtp/
 cp ZRTPCPP/COPYING ../pjsip/third_party/zsrtp/zrtp/
 cp ZRTPCPP/README.md ../pjsip/third_party/zsrtp/zrtp/
 
 # Clean update directory
 # echo Cleaning update directory
 #rm -rf ZRTPCPP
 
 # Clean old directory
 echo Cleaning old directory
 rm -rf old 
 
 cd .. 
 
 echo Applying pjsip patches 
 cat update_pjsip_210/patches/pjsip_210.patch | patch -p0
 
 
 echo Applying zsrtp patches 
 cat update_pjsip_210/patches/zsrtp.patch | patch -p0
 
 cd .. 
 
 echo Applying sipsimple/core patches 
 cat deps/update_pjsip_210/patches/sipsimple_core.patch | patch -p0
 
 cd -
 
 echo Done