diff --git a/mozilla/build/unix/mozilla-js.pc.in b/mozilla/build/unix/mozilla-js.pc.in
index a8621f7..002b13e 100644
--- a/mozilla/build/unix/mozilla-js.pc.in
+++ b/mozilla/build/unix/mozilla-js.pc.in
@@ -6,6 +6,6 @@ includedir=%includedir%
 Name: JavaScript
 Description: The Mozilla JavaScript Library
 Version: %MOZILLA_VERSION%
-Requires: %NSPR_NAME% >= %NSPR_VERSION%
+Requires: %NSPR_NAME%
 Libs: -L${libdir} -lmozjs
 Cflags: -I${includedir}/js -DXP_UNIX
diff --git a/mozilla/build/unix/mozilla-nss.pc.in b/mozilla/build/unix/mozilla-nss.pc.in
index 7eb26be..4d805ea 100644
--- a/mozilla/build/unix/mozilla-nss.pc.in
+++ b/mozilla/build/unix/mozilla-nss.pc.in
@@ -6,6 +6,6 @@ includedir=%includedir%
 Name: NSS
 Description: Mozilla Network Security Services
 Version: %MOZILLA_VERSION%
-Requires: %NSPR_NAME% >= %NSPR_VERSION%
+Requires: %NSPR_NAME%
 Libs: -L${libdir} -lnss3 -lsmime3 -lssl3 -lsoftokn3
 Cflags: -I${includedir}/nss
diff --git a/mozilla/build/unix/mozilla-plugin.pc.in b/mozilla/build/unix/mozilla-plugin.pc.in
index 6eca34a..4ff60af 100644
--- a/mozilla/build/unix/mozilla-plugin.pc.in
+++ b/mozilla/build/unix/mozilla-plugin.pc.in
@@ -6,5 +6,5 @@ includedir=%includedir%
 Name: Mozilla Plug-In API
 Description: Mozilla Plug-In API
 Version: %MOZILLA_VERSION%
-Requires: %NSPR_NAME% >= %NSPR_VERSION%
+Requires: %NSPR_NAME%
 Cflags: -I${includedir}/java -I${includedir}/plugin
diff --git a/mozilla/build/unix/mozilla-xpcom.pc.in b/mozilla/build/unix/mozilla-xpcom.pc.in
index 99b23e8..c271ce9 100644
--- a/mozilla/build/unix/mozilla-xpcom.pc.in
+++ b/mozilla/build/unix/mozilla-xpcom.pc.in
@@ -7,6 +7,6 @@ idldir=%idldir%
 Name: XPCOM
 Description: The Mozilla Cross Platform Component Library
 Version: %MOZILLA_VERSION%
-Requires: %NSPR_NAME% >= %NSPR_VERSION%
+Requires: %NSPR_NAME%
 Libs: -L${libdir} -lxpcom
 Cflags: -I${includedir} -I${includedir}/xpcom -I${includedir}/string