diff --git a/perl-Test-Differences.spec b/perl-Test-Differences.spec
index 37fbbf4..ec52929 100644
--- a/perl-Test-Differences.spec
+++ b/perl-Test-Differences.spec
@@ -1,5 +1,5 @@
 # RPM version needs 4 digits after the decimal to preserve upgrade path
-%global module_version 0.65
+%global module_version 0.66
 %global RPM_version %{module_version}00
 
 Name:           perl-Test-Differences
@@ -63,6 +63,10 @@ make test
 %{_mandir}/man3/Test::Differences.3*
 
 %changelog
+* Thu Feb 28 2019 Paul Howarth <paul@city-fan.org> - 0.6600-1
+- Update to 0.66
+  - Fix tests on Windows
+
 * Wed Feb 20 2019 Paul Howarth <paul@city-fan.org> - 0.6500-1
 - Update to 0.65
   - Canonical repo is now
diff --git a/sources b/sources
index 8403043..fa0526a 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (Test-Differences-0.65.tar.gz) = 298058b0ca94b865ac84bbed86275e1d2c3f9eadafc70c017d471d39a78a1370112aa63c09ff072621b12b1e6a84e9b456fe05e17d0d2893e2f5fc9946f81b87
+SHA512 (Test-Differences-0.66.tar.gz) = 18c70d5f952cf132d3385e5e37eb94ae738859596045005b28d24a5b888abc9444b2bed98eb71e0591fab93b6eebb59dc43b4bbe0958755286f54b29ee053f5b