diff --git a/datafusion/functions/Cargo.toml b/datafusion/functions/Cargo.toml
index 0cab0276ff4b..3ae3061012e0 100644
--- a/datafusion/functions/Cargo.toml
+++ b/datafusion/functions/Cargo.toml
@@ -52,7 +52,7 @@ math_expressions = []
 # enable regular expressions
 regex_expressions = ["regex"]
 # enable string functions
-string_expressions = []
+string_expressions = ["uuid"]
 # enable unicode functions
 unicode_expressions = ["unicode-segmentation"]
 
@@ -79,7 +79,7 @@ md-5 = { version = "^0.10.0", optional = true }
 regex = { version = "1.8", optional = true }
 sha2 = { version = "^0.10.1", optional = true }
 unicode-segmentation = { version = "^1.7.1", optional = true }
-uuid = { version = "1.7", features = ["v4"] }
+uuid = { version = "1.7", features = ["v4"], optional = true }
 
 [dev-dependencies]
 criterion = "0.5"