diff --git a/devel/nspr/Makefile b/devel/nspr/Makefile
index 6e6b37eea14c..47ff6b5a50b5 100644
--- a/devel/nspr/Makefile
+++ b/devel/nspr/Makefile
@@ -1,48 +1,48 @@
 # Created by: Maxim Sobolev <sobomax@FreeBSD.org>
 
 PORTNAME=	nspr
-DISTVERSION=	4.30
+DISTVERSION=	4.31
 CATEGORIES=	devel
 MASTER_SITES=	MOZILLA/${PORTNAME}/releases/v${PORTVERSION}/src
 
 MAINTAINER=	gecko@FreeBSD.org
 COMMENT=	Platform-neutral API for system level and libc like functions
 
 LICENSE=	MPL20
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 USES=		cpe gmake pathfix
 CPE_VENDOR=	mozilla
 CPE_PRODUCT=	netscape_portable_runtime
 WRKSRC_SUBDIR=	nspr
 GNU_CONFIGURE=	yes
 USE_LDCONFIG=	yes
 
 OPTIONS_DEFINE=	DEBUG TEST
 
 DEBUG_CONFIGURE_ENABLE=debug
 
 post-patch:
 # Do not install tools to build itself
 	@${REINPLACE_CMD} -e '/RELEASE_BINS/d' \
 		${WRKSRC}/pr/src/misc/Makefile.in
 
 post-build-TEST-on:
 	@${DO_MAKE_BUILD} -C ${BUILD_WRKSRC}/lib/tests
 	@${DO_MAKE_BUILD} -C ${BUILD_WRKSRC}/pr/tests
 	@${LN} -fs libmy.so.1 ${BUILD_WRKSRC}/pr/tests/dll/libmy.so
 
 post-install:
 	@${STRIP_CMD} ${STAGEDIR}${PREFIX}/lib/*.so
 
 do-test-TEST-on:
 	${TEST_WRKSRC}/lib/tests/string
 	${TEST_WRKSRC}/lib/tests/base64t
 	(cd ${TEST_WRKSRC}/pr/tests && ${WRKSRC}/pr/tests/runtests.sh ${TEST_WRKSRC}/dist)
 	# The test below is commented out, because arena requires
 	# command-line arguments. If you can provide reasonable values
 	# for it, please contact ${MAINTAINER}. Thank you.
 	#	${TEST_WRKSRC}/lib/tests/arena
 	#
 
 .include <bsd.port.mk>
diff --git a/devel/nspr/distinfo b/devel/nspr/distinfo
index 9c40d5438e7f..2aaf6ba6ae52 100644
--- a/devel/nspr/distinfo
+++ b/devel/nspr/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1615906381
-SHA256 (nspr-4.30.tar.gz) = 8d4cd8f8409484dc4c3d31e180354bfc506573eccf86cd691106a1ef7edc913b
-SIZE (nspr-4.30.tar.gz) = 1078175
+TIMESTAMP = 1622045204
+SHA256 (nspr-4.31.tar.gz) = 5729da87d5fbf1584b72840751e0c6f329b5d541850cacd1b61652c95015abc8
+SIZE (nspr-4.31.tar.gz) = 1078163