diff --git a/devel/nspr/Makefile b/devel/nspr/Makefile
index ea8bc3156543..0ccfbde41e69 100644
--- a/devel/nspr/Makefile
+++ b/devel/nspr/Makefile
@@ -1,47 +1,47 @@
 PORTNAME=	nspr
-DISTVERSION=	4.36
+DISTVERSION=	4.37
 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
 WWW=		https://firefox-source-docs.mozilla.org/nspr/index.html
 
 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 ${BUILD_WRKSRC}/pr/tests/dll/libmy.so ${BUILD_WRKSRC}/pr/tests/dll/libmy.so.1
 
 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 f249dd7b8a79..a53e3c3cff5b 100644
--- a/devel/nspr/distinfo
+++ b/devel/nspr/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1729811797
-SHA256 (nspr-4.36.tar.gz) = 55dec317f1401cd2e5dba844d340b930ab7547f818179a4002bce62e6f1c6895
-SIZE (nspr-4.36.tar.gz) = 1036274
+TIMESTAMP = 1752846500
+SHA256 (nspr-4.37.tar.gz) = 5f9344ed0e31855bd38f88b33c9d9ab94f70ce547ef3213e488d1520f61840fa
+SIZE (nspr-4.37.tar.gz) = 1057241
diff --git a/devel/nspr/pkg-plist b/devel/nspr/pkg-plist
index b42bc83d9ce4..e4d1c6e318d0 100644
--- a/devel/nspr/pkg-plist
+++ b/devel/nspr/pkg-plist
@@ -1,79 +1,78 @@
 bin/nspr-config
 include/nspr/md/_aix32.cfg
 include/nspr/md/_aix64.cfg
 include/nspr/md/_darwin.cfg
 include/nspr/md/_freebsd.cfg
 include/nspr/md/_hpux32.cfg
 include/nspr/md/_hpux64.cfg
 include/nspr/md/_linux.cfg
 include/nspr/md/_netbsd.cfg
 include/nspr/md/_nto.cfg
 include/nspr/md/_openbsd.cfg
 include/nspr/md/_qnx.cfg
 include/nspr/md/_riscos.cfg
 include/nspr/md/_solaris.cfg
 include/nspr/md/_win95.cfg
 include/nspr/md/_winnt.cfg
 include/nspr/nspr.h
 include/nspr/obsolete/pralarm.h
 include/nspr/obsolete/probslet.h
 include/nspr/obsolete/protypes.h
 include/nspr/obsolete/prsem.h
 include/nspr/plarena.h
 include/nspr/plarenas.h
 include/nspr/plbase64.h
 include/nspr/plerror.h
 include/nspr/plgetopt.h
 include/nspr/plhash.h
 include/nspr/plstr.h
 include/nspr/pratom.h
 include/nspr/prbit.h
 include/nspr/prclist.h
 include/nspr/prcmon.h
 include/nspr/prcountr.h
 include/nspr/prcpucfg.h
 include/nspr/prcvar.h
 include/nspr/prdtoa.h
 include/nspr/prenv.h
 include/nspr/prerr.h
 include/nspr/prerror.h
 include/nspr/prinet.h
 include/nspr/prinit.h
 include/nspr/prinrval.h
 include/nspr/prio.h
 include/nspr/pripcsem.h
 include/nspr/private/pprio.h
 include/nspr/private/pprthred.h
 include/nspr/private/prpriv.h
 include/nspr/prlink.h
 include/nspr/prlock.h
 include/nspr/prlog.h
 include/nspr/prlong.h
 include/nspr/prmem.h
 include/nspr/prmon.h
 include/nspr/prmwait.h
 include/nspr/prnetdb.h
 include/nspr/prolock.h
 include/nspr/prpdce.h
 include/nspr/prprf.h
 include/nspr/prproces.h
 include/nspr/prrng.h
 include/nspr/prrwlock.h
 include/nspr/prshm.h
 include/nspr/prshma.h
 include/nspr/prsystem.h
 include/nspr/prthread.h
 include/nspr/prtime.h
 include/nspr/prtpool.h
 include/nspr/prtrace.h
 include/nspr/prtypes.h
 include/nspr/prvrsion.h
-include/nspr/prwin.h
 @(,,444) lib/libnspr4.a
 @(,,444) lib/libnspr4.so
 @(,,444) lib/libplc4.a
 @(,,444) lib/libplc4.so
 @(,,444) lib/libplds4.a
 @(,,444) lib/libplds4.so
 libdata/pkgconfig/nspr.pc
 share/aclocal/nspr.m4