diff --git a/libcjson.pc.in b/libcjson.pc.in
index 106ac7d..b3a5b40 100644
--- a/libcjson.pc.in
+++ b/libcjson.pc.in
@@ -5,5 +5,7 @@ includedir=${prefix}/@includedir@
 Name: libcjson
 Version: @version@
 Description: Ultralightweight JSON parser in ANSI C
+URL: https://github.com/DaveGamble/cJSON
 Libs: -L${libdir} -lcjson
+Libs.Private: -lm
 Cflags: -I${includedir}
diff --git a/libcjson_utils.pc.in b/libcjson_utils.pc.in
index 679aef6..174ab60 100644
--- a/libcjson_utils.pc.in
+++ b/libcjson_utils.pc.in
@@ -5,6 +5,7 @@ includedir=${prefix}/@includedir@
 Name: libcjson_utils
 Version: @version@
 Description: An implementation of JSON Pointer, Patch and Merge Patch based on cJSON.
+URL: https://github.com/DaveGamble/cJSON
 Libs: -L${libdir} -lcjson_utils
 Cflags: -I${includedir}
 Requires: libcjson