diff --git a/service/build.bat b/service/build.bat
index 38e2da20..29ff94ed 100644
--- a/service/build.bat
+++ b/service/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=v0.7.10
+SET ZITI_TUNNEL_REPO_BRANCH=v0.7.12
 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=
 REM the number of TCP connections the tunneler sdk can have at any one time
diff --git a/version b/version
index 9df886c4..428b770e 100644
--- a/version
+++ b/version
@@ -1 +1 @@
-1.4.2
+1.4.3