diff --git a/mingw-w64-nspr/PKGBUILD b/mingw-w64-nspr/PKGBUILD
index c87477a86f..a7531d9087 100644
--- a/mingw-w64-nspr/PKGBUILD
+++ b/mingw-w64-nspr/PKGBUILD
@@ -4,7 +4,7 @@
 _realname=nspr
 pkgbase=mingw-w64-${_realname}
 pkgname="${MINGW_PACKAGE_PREFIX}-${_realname}"
-pkgver=4.17
+pkgver=4.19
 pkgrel=1
 pkgdesc="Netscape Portable Runtime (mingw-w64)"
 arch=('any')
@@ -21,10 +21,10 @@ source=(https://ftp.mozilla.org/pub/mozilla.org/nspr/releases/v${pkgver}/src/${_
         nspr-4.10.2_staticbuild.patch
         nspr-4.10.2_x64.patch
         manifest)
-sha256sums=('590a0aea29412ae22d7728038c21ef2ab42646e48172a47d2e4bb782846d1095'
+sha256sums=('2ed95917fa2277910d1d1cf36030607dccc0ba522bba08e2af13c113dcd8f729'
             '1894bc68a0badd6e6f68f66abc4c6cd8e222791dd194f6b631ce536011ab6707'
             '725f8d6da56e44dba7669c498ed66af1b2145640115fd9bae9663c9364d9fde9'
-            'afaaadadaf7786c4e097e4f9575ad161e4872aa124fe4084713a8cc8712560a3'
+            'e3358ed82a289b76b23ceb95308a517145e8c915c0056af58ad1193db870269a'
             '4f47fbfce21a5634094d6a0c7fdd29f2bbdcb352074b8c498ba23a9f4f859b29'
             'bdb7138b12b7fbc32e906347e0dc963342316032ac3db8586683e54e40126e26'
             '599ab9edb21568c02c4e6e96b366e51c042a9e789b72b9e7d9b7acc283757ab4'
diff --git a/mingw-w64-nspr/nspr-4.10.2_autotools.patch b/mingw-w64-nspr/nspr-4.10.2_autotools.patch
index 26099c740e..e080a00a36 100644
--- a/mingw-w64-nspr/nspr-4.10.2_autotools.patch
+++ b/mingw-w64-nspr/nspr-4.10.2_autotools.patch
@@ -50,7 +50,7 @@
  OBJ_SUFFIX
  CPU_ARCH
  PR_MD_ARCH_DIR
-@@ -3058,6 +3058,7 @@
+@@ -5615,6 +5615,7 @@
  
  OBJ_SUFFIX=o
  LIB_SUFFIX=a
@@ -58,7 +58,7 @@
  DLL_SUFFIX=so
  ASM_SUFFIX=s
  MKSHLIB='$(LD) $(DSO_LDOPTS) -o $@'
-@@ -4529,6 +4530,7 @@
+@@ -7112,6 +7112,7 @@
          CC="$CC -mwindows"
          CXX="$CXX -mwindows"
          DLL_SUFFIX=dll
@@ -66,7 +66,7 @@
          MKSHLIB='$(CC) -shared -Wl,--export-all-symbols -Wl,--out-implib -Wl,$(IMPORT_LIBRARY) $(DLLBASE) -o $(subst $(OBJDIR)/,,$(SHARED_LIBRARY))'
          RC=$WINDRES
          # Use temp file for windres (bug 213281)
-@@ -4545,6 +4547,7 @@
+@@ -7127,6 +7127,7 @@
          GARBAGE='$(OBJDIR)/vc20.pdb $(OBJDIR)/vc40.pdb'
          OBJ_SUFFIX=obj
          LIB_SUFFIX=lib
@@ -74,7 +74,7 @@
          DLL_SUFFIX=dll
  
          # Determine compiler version
-@@ -4660,11 +4663,11 @@
+@@ -7246,11 +7246,11 @@
          
          if test "$OS_TARGET" = "WINNT"; then
              CFLAGS="$CFLAGS -GT"
@@ -90,7 +90,7 @@
          fi
      fi # GNU_CC
  
-@@ -4774,6 +4777,7 @@
+@@ -7736,6 +7736,7 @@
  
      OBJ_SUFFIX=obj
      LIB_SUFFIX=lib
@@ -98,16 +98,8 @@
      DLL_SUFFIX=dll
      MKSHLIB='$(LD) -DLL $(DSO_LDOPTS) -OUT:$@'
  
-@@ -5356,6 +5360,7 @@
- 
-     USE_PTHREADS=1
-     LIB_SUFFIX=lib
-+    IMPORT_LIB_SUFFIX=lib
-     DLL_SUFFIX=dll
-     MKSHLIB=
-     DSO_LDOPTS=
-@@ -5440,6 +5445,7 @@
- EOF
+@@ -7801,6 +7801,7 @@
+     $as_echo "#define TCPV40HDRS 1" >>confdefs.h
  
      LIB_SUFFIX=lib
 +    IMPORT_LIB_SUFFIX=lib
@@ -116,7 +108,7 @@
      PR_MD_ARCH_DIR=os2
 --- configure.in	Tue Nov 12 04:54:52 2013
 +++ configure.in	Tue Nov 26 11:22:37 2013
-@@ -831,6 +831,7 @@
+@@ -845,6 +845,7 @@
  dnl ========================================================
  OBJ_SUFFIX=o
  LIB_SUFFIX=a
@@ -124,7 +116,7 @@
  DLL_SUFFIX=so
  ASM_SUFFIX=s
  MKSHLIB='$(LD) $(DSO_LDOPTS) -o $@'
-@@ -1876,6 +1877,7 @@
+@@ -1912,6 +1913,7 @@
          CC="$CC -mwindows"
          CXX="$CXX -mwindows"
          DLL_SUFFIX=dll
@@ -132,7 +124,7 @@
          MKSHLIB='$(CC) -shared -Wl,--export-all-symbols -Wl,--out-implib -Wl,$(IMPORT_LIBRARY) $(DLLBASE) -o $(subst $(OBJDIR)/,,$(SHARED_LIBRARY))'
          RC=$WINDRES
          # Use temp file for windres (bug 213281)
-@@ -1892,6 +1894,7 @@
+@@ -1926,6 +1928,7 @@
          GARBAGE='$(OBJDIR)/vc20.pdb $(OBJDIR)/vc40.pdb'
          OBJ_SUFFIX=obj
          LIB_SUFFIX=lib
@@ -140,7 +132,7 @@
          DLL_SUFFIX=dll
  
          # Determine compiler version
-@@ -2000,11 +2003,11 @@
+@@ -1945,11 +1948,11 @@
          
          if test "$OS_TARGET" = "WINNT"; then
              CFLAGS="$CFLAGS -GT"
@@ -156,15 +148,7 @@
          fi
      fi # GNU_CC
  
-@@ -2075,6 +2078,7 @@
- 
-     OBJ_SUFFIX=obj
-     LIB_SUFFIX=lib
-+    IMPORT_LIB_SUFFIX=lib
-     DLL_SUFFIX=dll
-     MKSHLIB='$(LD) -DLL $(DSO_LDOPTS) -OUT:$@'
- 
-@@ -2431,6 +2435,7 @@
+@@ -2455,6 +2458,7 @@
      AC_DEFINE(HAVE_SOCKLEN_T)
      USE_PTHREADS=1
      LIB_SUFFIX=lib
@@ -172,7 +156,7 @@
      DLL_SUFFIX=dll
      MKSHLIB=
      DSO_LDOPTS=
-@@ -2485,6 +2490,7 @@
+@@ -2509,6 +2513,7 @@
      AC_DEFINE(BSD_SELECT)
      AC_DEFINE(TCPV40HDRS)
      LIB_SUFFIX=lib
@@ -180,7 +164,7 @@
      DLL_SUFFIX=dll
      RC=rc.exe
      PR_MD_ARCH_DIR=os2
-@@ -3145,6 +3151,7 @@
+@@ -3083,6 +3087,7 @@
  
  AC_SUBST(OBJ_SUFFIX)
  AC_SUBST(LIB_SUFFIX)