diff --git a/Makefile b/Makefile
index 0d09e2e67..d09eab4c2 100644
--- a/Makefile
+++ b/Makefile
@@ -439,7 +439,7 @@ generate-mediastreamer2-libs: prepare-sources
 	@cd $(TOPDIR)/submodules/linphone/mediastreamer2/java && \
 	$(NDK_PATH)/ndk-build $(MEDIASTREAMER2_OPTIONS) -j$(NUMCPUS) TARGET_PLATFORM=$(NDKBUILD_TARGET)
 
-update-project:
+update-project: $(TOPDIR)/res/raw/rootca.pem
 	$(SDK_PATH)/android update project --path . --target $(ANDROID_MOST_RECENT_TARGET)
 	$(SDK_PATH)/android update test-project --path tests -m .
 	$(SDK_PATH)/android update project --path liblinphone_tester --target $(ANDROID_MOST_RECENT_TARGET)