diff --git a/ext/iphreeqc b/ext/iphreeqc
index daeecf112..c0c830eab 160000
--- a/ext/iphreeqc
+++ b/ext/iphreeqc
@@ -1 +1 @@
-Subproject commit daeecf11263dbeb08cb13b43df81d5d9dcc22060
+Subproject commit c0c830eab7c49ec0bf4ef87ef0669f6c15bae58c