diff --git a/contrib/crossrpms/cygwin/i686/Makefile.am b/contrib/crossrpms/cygwin/i686/Makefile.am
index fde82592b6..b9f109011a 100644
--- a/contrib/crossrpms/cygwin/i686/Makefile.am
+++ b/contrib/crossrpms/cygwin/i686/Makefile.am
@@ -40,8 +40,8 @@ GMP_VERS = 4.3.1-3
 GMP_RPMREL = 0.20100204.0%{?dist}
 include ../gmp.am
 
-MPFR_VERS = 2.4.1-1
-MPFR_RPMREL = 0.20090827.0%{?dist}
+MPFR_VERS = 2.4.1-4
+MPFR_RPMREL = 0.20100204.0%{?dist}
 include ../mpfr.am
 
 # Cygwin's binutils' versioning is bizarre
diff --git a/contrib/crossrpms/cygwin/i686/i686-pc-cygwin-mpfr.spec b/contrib/crossrpms/cygwin/i686/i686-pc-cygwin-mpfr.spec
index bcbccc4b06..bd8b69a4d2 100644
--- a/contrib/crossrpms/cygwin/i686/i686-pc-cygwin-mpfr.spec
+++ b/contrib/crossrpms/cygwin/i686/i686-pc-cygwin-mpfr.spec
@@ -30,11 +30,11 @@
 %define _host_rpmprefix %{nil}
 %endif
 
-%define mpfr_version 2.4.1-1
-%define mpfr_rpmvers %{expand:%(echo 2.4.1-1 | tr - _)} 
+%define mpfr_version 2.4.1-4
+%define mpfr_rpmvers %{expand:%(echo 2.4.1-4 | tr - _)} 
 
 Name:         i686-pc-cygwin-mpfr
-Release:      0.20090827.0%{?dist}
+Release:      0.20100204.0%{?dist}
 License:      GPL
 Group:        Development/Tools