diff --git a/make/projects-dir.mk b/make/projects-dir.mk
index 98aa2595..4e51fc39 100644
--- a/make/projects-dir.mk
+++ b/make/projects-dir.mk
@@ -318,10 +318,10 @@ get-%: git-get-%
 # --- git targets
 
 git-push push: $(SSH_WRAPPER_SH)
-	$(PGIT_SH) push $(PGIT_SH_OPTS_NETWORK)
+	$(PGIT_SH) push $(PGIT_SH_OPTS_NETWORK) --force-with-lease
 
 git-push-all: $(SSH_WRAPPER_SH)
-	$(PGIT_SH) push $(PGIT_SH_OPTS_NETWORK) --all --recurse-submodules=on-demand
+	$(PGIT_SH) push $(PGIT_SH_OPTS_NETWORK) --force-with-lease --all --recurse-submodules=on-demand
 
 git-diff: $(SSH_WRAPPER_SH)
 	$(PGIT_SH) --porcelain diff