diff --git a/Cargo.lock b/Cargo.lock
index c656bc4..4a32929 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,9 +2,9 @@
 # It is not intended for manual editing.
 [[package]]
 name = "activitystreams"
-version = "0.5.0-alpha.10"
+version = "0.5.0-alpha.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "04827f3390831f772d15ff3171336cc4fbac714f59233d24731beb7c865293a6"
+checksum = "f0fb876395ae7a1dd1c7d7de38f2cdb583918db16b46ee5b75d2e9bf7af1ef9f"
 dependencies = [
  "activitystreams-derive",
  "chrono",
diff --git a/Cargo.toml b/Cargo.toml
index a8d427e..9584ec2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,7 +12,7 @@ actix = "0.10.0-alpha.2"
 actix-rt = "1.0.0"
 actix-web = { version = "3.0.0-alpha.1", features = ["rustls"] }
 actix-webfinger = "0.3.0-alpha.3"
-activitystreams = "0.5.0-alpha.10"
+activitystreams = "0.5.0-alpha.11"
 base64 = "0.12"
 bb8-postgres = "0.4.0"
 dotenv = "0.15.0"