diff --git a/CMakeLists.txt b/CMakeLists.txt
index a8d8d0326..8a0cc00d9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -57,7 +57,7 @@ function (CHECK_EXT NAME DIR HASH)
   endif (GIT_FOUND)
 endfunction ()
 
-check_ext ("OpenEXR" "openexr/OpenEXR" 5cfb5dab6dfada731586b0281bdb15ee75e26782)
+check_ext ("OpenEXR" "openexr/OpenEXR" ff21ca074b31bfc46532f858fcfffcd9d0bc8f20)
 check_ext ("OpenVDB" "openvdb/nanovdb" 414bed84c2fc22e188eac7b611aa85c7edd7a5a9)
 check_ext ("Ptex" "ptex/src" 4cd8e9a6db2b06e478dfbbd8c26eb6df97f84483)
 check_ext ("double-conversion" "double-conversion/cmake" cc1f75a114aca8d2af69f73a5a959aecbab0e87a)
diff --git a/src/ext/openexr b/src/ext/openexr
index 5cfb5dab6..ff21ca074 160000
--- a/src/ext/openexr
+++ b/src/ext/openexr
@@ -1 +1 @@
-Subproject commit 5cfb5dab6dfada731586b0281bdb15ee75e26782
+Subproject commit ff21ca074b31bfc46532f858fcfffcd9d0bc8f20