diff --git a/Cargo.toml b/Cargo.toml
index 1d990ec..37a6859 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -39,7 +39,7 @@ skeptic = "0.13.3"
 [dev-dependencies]
 skeptic = "0.13.3"
 tempfile = "3.0.3"
-indoc = "0.2.6"
+indoc = "0.3.1"
 pretty_env_logger = "0.2.4"
 
 [package.metadata.docs.rs]