diff --git a/vars/cpkg.groovy b/vars/cpkg.groovy
index a1c8b8d..c2ea577 100644
--- a/vars/cpkg.groovy
+++ b/vars/cpkg.groovy
@@ -27,7 +27,7 @@ def call(Map params = [:]) {
         sh("git config --add remote.origin.fetch +refs/heads/${distBranch}:refs/remotes/origin/${distBranch}")
 
         // Update branches
-        sh("git fetch --all")
+        sh("GIT_SSH_COMMAND='ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no' git fetch --all")
 
         // Merge currentRef into distBranch and push
         sh("git checkout -b '${distBranch}' 'origin/${distBranch}'")
@@ -39,7 +39,7 @@ def call(Map params = [:]) {
         sh("git merge ${currentRef}")
 
         if (!skipPush) {
-            sh("git push")
+            sh("GIT_SSH_COMMAND='ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no' git push")
         } else {
             println("Skipping push. Set skipPush param to 'true' to enable remote repository update.")
         }
@@ -79,7 +79,7 @@ def call(Map params = [:]) {
 
         // Push tag
         if (!skipPush) {
-            sh("git push --tags")
+            sh("GIT_SSH_COMMAND='ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no' git push --tags")
         } else {
             println("Skipping push. Set skipPush param to 'true' to enable remote repository update.")
         }