diff --git a/ziti-edge-tunnel/build.bat b/ziti-edge-tunnel/build.bat
index f8f2d43a..d0af410e 100644
--- a/ziti-edge-tunnel/build.bat
+++ b/ziti-edge-tunnel/build.bat
@@ -14,7 +14,7 @@ REM See the License for the specific language governing permissions and
 REM limitations under the License.
 REM
 SET REPO_URL=https://github.com/openziti/ziti-tunnel-sdk-c.git
-SET ZITI_TUNNEL_REPO_BRANCH=v0.19.3
+SET ZITI_TUNNEL_REPO_BRANCH=v0.19.5
 REM override the c sdk used in the build - leave blank for the same as specified in the tunneler sdk
 SET ZITI_SDK_C_BRANCH=
 SET ZITI_TUNNEL_REPO_URL=https://github.com/openziti/ziti-tunnel-sdk-c/releases/latest/download/ziti-edge-tunnel-Windows_x86_64.zip