diff --git a/go.mod b/go.mod
index b5bb1c9..515fb14 100644
--- a/go.mod
+++ b/go.mod
@@ -44,3 +44,5 @@ require (
 	google.golang.org/genproto v0.0.0-20230410155749-daa745c078e1 // indirect
 	google.golang.org/grpc v1.56.3 // indirect
 )
+
+replace github.com/richardlehane/msoleps v1.0.3 => github.com/sajari/msoleps v0.0.0-20231120031048-d0092b82abea
diff --git a/go.sum b/go.sum
index 60597fb..c38b2ba 100644
--- a/go.sum
+++ b/go.sum
@@ -100,8 +100,8 @@ github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:
 github.com/richardlehane/mscfb v1.0.3 h1:rD8TBkYWkObWO0oLDFCbwMeZ4KoalxQy+QgniCj3nKI=
 github.com/richardlehane/mscfb v1.0.3/go.mod h1:YzVpcZg9czvAuhk9T+a3avCpcFPMUWm7gK3DypaEsUk=
 github.com/richardlehane/msoleps v1.0.1/go.mod h1:BWev5JBpU9Ko2WAgmZEuiz4/u3ZYTKbjLycmwiWUfWg=
-github.com/richardlehane/msoleps v1.0.3 h1:aznSZzrwYRl3rLKRT3gUk9am7T/mLNSnJINvN0AQoVM=
-github.com/richardlehane/msoleps v1.0.3/go.mod h1:BWev5JBpU9Ko2WAgmZEuiz4/u3ZYTKbjLycmwiWUfWg=
+github.com/sajari/msoleps v0.0.0-20231120031048-d0092b82abea h1:DUw6mwTMJDj99FJmlcjSPiOPJWL0DM0IV7T1JCXDc+s=
+github.com/sajari/msoleps v0.0.0-20231120031048-d0092b82abea/go.mod h1:BWev5JBpU9Ko2WAgmZEuiz4/u3ZYTKbjLycmwiWUfWg=
 github.com/simplereach/timeutils v1.2.0/go.mod h1:VVbQDfN/FHRZa1LSqcwo4kNZ62OOyqLLGQKYB3pB0Q8=
 github.com/ssor/bom v0.0.0-20170718123548-6386211fdfcf h1:pvbZ0lM0XWPBqUKqFU8cmavspvIl9nulOYwdy6IFRRo=
 github.com/ssor/bom v0.0.0-20170718123548-6386211fdfcf/go.mod h1:RJID2RhlZKId02nZ62WenDCkgHFerpIOmW0iT7GKmXM=