diff --git a/LOG b/LOG
index 837a38734b..7f825f1642 100644
--- a/LOG
+++ b/LOG
@@ -142,3 +142,5 @@
 - corrected CHEZSCHEMELIBS and CHEZSCHEMEEXTS index entries to be
   CHEZSCHEMELIBDIRS and CHEZSCHEMELIBEXTS.
     use.stex
+- updated to curl stex version 1.2.1
+    configure
diff --git a/configure b/configure
index 047856d412..ba7bf6666a 100755
--- a/configure
+++ b/configure
@@ -300,7 +300,7 @@ else
   fi
 
   if [ ! -f 'stex/Mf-stex' ] ; then
-    rmdir stex && (curl -L -o v1.2.tar.gz https://github.com/dybvig/stex/archive/v1.2.tar.gz && tar -zxf v1.2.tar.gz && mv stex-1.2 stex && rm v1.2.tar.gz) || exit 1
+    rmdir stex && (curl -L -o v1.2.1.tar.gz https://github.com/dybvig/stex/archive/v1.2.1.tar.gz && tar -zxf v1.2.1.tar.gz && mv stex-1.2.1 stex && rm v1.2.1.tar.gz) || exit 1
   fi
 fi