diff --git a/contrib/pg_trgm/pg_trgm--1.2--1.3.sql b/contrib/pg_trgm/pg_trgm--1.2--1.3.sql
index c37c99b65aa..b082dcd8d84 100644
--- a/contrib/pg_trgm/pg_trgm--1.2--1.3.sql
+++ b/contrib/pg_trgm/pg_trgm--1.2--1.3.sql
@@ -23,7 +23,7 @@ UPDATE pg_catalog.pg_proc SET
   prorettype = 'gtrgm'::pg_catalog.regtype
 WHERE oid = pg_catalog.to_regprocedure('gtrgm_union(internal,internal)');
 
-ALTER FUNCTION set_limit(float4) PARALLEL RESTRICTED;
+ALTER FUNCTION set_limit(float4) PARALLEL UNSAFE;
 ALTER FUNCTION show_limit() PARALLEL SAFE;
 ALTER FUNCTION show_trgm(text) PARALLEL SAFE;
 ALTER FUNCTION similarity(text, text) PARALLEL SAFE;
diff --git a/contrib/pg_trgm/pg_trgm--1.3.sql b/contrib/pg_trgm/pg_trgm--1.3.sql
index b279f7d7aca..5e08e8711d6 100644
--- a/contrib/pg_trgm/pg_trgm--1.3.sql
+++ b/contrib/pg_trgm/pg_trgm--1.3.sql
@@ -7,7 +7,7 @@
 CREATE FUNCTION set_limit(float4)
 RETURNS float4
 AS 'MODULE_PATHNAME'
-LANGUAGE C STRICT VOLATILE PARALLEL RESTRICTED;
+LANGUAGE C STRICT VOLATILE PARALLEL UNSAFE;
 
 -- Deprecated function
 CREATE FUNCTION show_limit()