diff --git a/Cargo.lock b/Cargo.lock
index 15d2284914..597446e547 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2868,9 +2868,9 @@ checksum = "3e2e65a1a2e43cfcb47a895c4c8b10d1f4a61097f9f254f183aee60cad9c651d"
 
 [[package]]
 name = "markdown"
-version = "1.0.0-alpha.17"
+version = "1.0.0-alpha.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "21e27d6220ce21f80ce5c4201f23a37c6f1ad037c72c9d1ff215c2919605a5d6"
+checksum = "4e61c5c85b392273c4d4ea546e6399ace3e3db172ab01b6de8f3d398d1dbd2ec"
 dependencies = [
  "unicode-id",
 ]