diff --git a/common-build-dependencies.yaml b/common-build-dependencies.yaml
index 420e9ed..0689172 100644
--- a/common-build-dependencies.yaml
+++ b/common-build-dependencies.yaml
@@ -74,3 +74,12 @@ data:
             openmpi:
                 rationale: build dep of valgrind ( debugging-tools module )
                 ref: master
+            mariadb:
+                rationale: build dep of postfix
+                ref: master
+            postgresql:
+                rationale: build dep of postfix
+                ref: master
+            tinycdb:
+                rationale: build dep of postfix
+                ref: master