diff --git a/modules/fitsfilereader/ext/cfitsio b/modules/fitsfilereader/ext/cfitsio
index d0ead30d53..42e2ca1266 160000
--- a/modules/fitsfilereader/ext/cfitsio
+++ b/modules/fitsfilereader/ext/cfitsio
@@ -1 +1 @@
-Subproject commit d0ead30d53f6b843d80cb15c464b1a1d73c8e55d
+Subproject commit 42e2ca126642b7fcffa079d7fa53e76d74a54775