diff --git a/contrib/citext/Makefile b/contrib/citext/Makefile
index 363a11ba9c6..e39d3eee61b 100644
--- a/contrib/citext/Makefile
+++ b/contrib/citext/Makefile
@@ -3,8 +3,8 @@
 MODULES = citext
 
 EXTENSION = citext
-DATA = citext--1.2.sql citext--1.1--1.2.sql citext--1.0--1.1.sql \
-	citext--unpackaged--1.0.sql
+DATA = citext--1.3.sql citext--1.2--1.3.sql citext--1.1--1.2.sql \
+	citext--1.0--1.1.sql citext--unpackaged--1.0.sql
 PGFILEDESC = "citext - case-insensitive character string data type"
 
 REGRESS = citext
diff --git a/contrib/citext/citext--1.2--1.3.sql b/contrib/citext/citext--1.2--1.3.sql
new file mode 100644
index 00000000000..4ab867915c7
--- /dev/null
+++ b/contrib/citext/citext--1.2--1.3.sql
@@ -0,0 +1,7 @@
+/* contrib/citext/citext--1.2--1.3.sql */
+
+-- complain if script is sourced in psql, rather than via ALTER EXTENSION
+\echo Use "ALTER EXTENSION citext UPDATE TO '1.3'" to load this file. \quit
+
+UPDATE pg_aggregate SET aggcombinefn = 'citext_smaller'
+WHERE aggfnoid = 'min(citext)'::pg_catalog.regprocedure;
diff --git a/contrib/citext/citext--1.2.sql b/contrib/citext/citext--1.3.sql
similarity index 100%
rename from contrib/citext/citext--1.2.sql
rename to contrib/citext/citext--1.3.sql
diff --git a/contrib/citext/citext.control b/contrib/citext/citext.control
index 7cba65d1105..5f080df3ee3 100644
--- a/contrib/citext/citext.control
+++ b/contrib/citext/citext.control
@@ -1,5 +1,5 @@
 # citext extension
 comment = 'data type for case-insensitive character strings'
-default_version = '1.2'
+default_version = '1.3'
 module_pathname = '$libdir/citext'
 relocatable = true