diff --git a/libosmo-gtlv.pc.in b/libosmo-gtlv.pc.in
index 63e3c73..8f1f594 100644
--- a/libosmo-gtlv.pc.in
+++ b/libosmo-gtlv.pc.in
@@ -6,5 +6,6 @@ includedir=@includedir@
 Name: Osmocom Generic TLV Library
 Description: C Utility Library to parse Tag-Length-Value based protocols
 Version: @VERSION@
+Requires: libosmocore, talloc
 Libs: -L${libdir} -losmo-gtlv
 Cflags: -I${includedir}/
diff --git a/libosmo-pfcp.pc.in b/libosmo-pfcp.pc.in
index c482751..0ed5160 100644
--- a/libosmo-pfcp.pc.in
+++ b/libosmo-pfcp.pc.in
@@ -6,5 +6,6 @@ includedir=@includedir@
 Name: Osmocom PFCP library
 Description: C Utility Library that implements the PFCP protocol and endpoint
 Version: @VERSION@
+Requires: libosmo-gtlv, libosmocore, talloc
 Libs: -L${libdir} -losmo-pfcp
 Cflags: -I${includedir}/