diff --git a/ext/iphreeqc b/ext/iphreeqc
index e6e5e0d51..48e65d87a 160000
--- a/ext/iphreeqc
+++ b/ext/iphreeqc
@@ -1 +1 @@
-Subproject commit e6e5e0d5156c093241a53e6ce074ef346d64ae26
+Subproject commit 48e65d87ad70f84aec01c27d9560cd3094a8129c