diff --git a/libomemo-c.changes b/libomemo-c.changes
index d52f101..88cd6dd 100644
--- a/libomemo-c.changes
+++ b/libomemo-c.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed Apr 16 09:55:55 UTC 2025 - Christophe Marin <christophe@krop.fr>
+
+- Fix libomemo-c-devel dependencies. protobuf-c is required.
+
 -------------------------------------------------------------------
 Tue Apr  8 05:16:28 UTC 2025 - Michael Vetter <mvetter@suse.com>
 
diff --git a/libomemo-c.spec b/libomemo-c.spec
index 17932d0..48da4ff 100644
--- a/libomemo-c.spec
+++ b/libomemo-c.spec
@@ -39,6 +39,7 @@ This is a fork of libsignal-protocol-c, an implementation of Signal's ratcheting
 Summary:        Development files for libomemo-c
 Group:          Development/Libraries/C and C++
 Requires:       %{c_lib} = %{version}
+Requires:       protobuf-c-devel
 
 %description -n libomemo-c-devel
 Development files and headers for libomemo-c