diff --git a/ports/cnl/CONTROL b/ports/cnl/CONTROL
index 7aa93f60eb..8daea5ae60 100644
--- a/ports/cnl/CONTROL
+++ b/ports/cnl/CONTROL
@@ -1,3 +1,3 @@
 Source: cnl
-Version: 2019-01-09
+Version: 2019-06-23
 Description: A Compositional Numeric Library for C++
diff --git a/ports/cnl/portfile.cmake b/ports/cnl/portfile.cmake
index 0eb23e1c9d..885cad137b 100644
--- a/ports/cnl/portfile.cmake
+++ b/ports/cnl/portfile.cmake
@@ -5,8 +5,8 @@ include(vcpkg_common_functions)
 vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO johnmcfarlane/cnl
-    REF 9f632898a4738b9e41de90e66d4f6ddb84bda08b
-    SHA512 ffde0b5aa58e79b5a03eee588c0e43d17ab2ddb2ffb12508f9d1b0e05aa54bb6c653986f183ce339e73c562efd749af6bd3907d816c9f79bf48f1e84ded3ac13
+    REF 48428242e72b8239cb14c963e40f724929d54df7
+    SHA512 c7e012d99409977137a44915dd7a4df5014b6e8540ceee3e82492052541ce77a254d79e624d766b510e7d3a6b17a9d9b02391c6993ae55d3904334116e747983
     HEAD_REF develop
 )