diff --git a/crates/ruma-client-api/CHANGELOG.md b/crates/ruma-client-api/CHANGELOG.md
index 7568a795..11513f08 100644
--- a/crates/ruma-client-api/CHANGELOG.md
+++ b/crates/ruma-client-api/CHANGELOG.md
@@ -9,6 +9,7 @@ Improvements:
   variable, or inside `.cargo/config.toml`. It can also be enabled by setting
   the `RUMA_UNSTABLE_EXHAUSTIVE_TYPES` environment variable.
 - Add `ErrorKind::ThreepidMediumNotSupported`, according to MSC4178.
+- Add `ErrorKind::UserSuspended`, according to MSC3823.
 
 # 0.19.0
 
diff --git a/crates/ruma-client-api/src/error.rs b/crates/ruma-client-api/src/error.rs
index 7271c535..9f4531be 100644
--- a/crates/ruma-client-api/src/error.rs
+++ b/crates/ruma-client-api/src/error.rs
@@ -223,6 +223,9 @@ pub enum ErrorKind {
     /// M_USER_LOCKED
     UserLocked,
 
+    /// M_USER_SUSPENDED
+    UserSuspended,
+
     #[doc(hidden)]
     _Custom { errcode: PrivOwnedStr, extra: Extra },
 }
@@ -305,6 +308,7 @@ impl AsRef<str> for ErrorKind {
             #[cfg(feature = "unstable-msc3843")]
             Self::Unactionable => "M_UNACTIONABLE",
             Self::UserLocked => "M_USER_LOCKED",
+            Self::UserSuspended => "M_USER_SUSPENDED",
             Self::_Custom { errcode, .. } => &errcode.0,
         }
     }
diff --git a/crates/ruma-client-api/src/error/kind_serde.rs b/crates/ruma-client-api/src/error/kind_serde.rs
index 21a2f271..0477ccab 100644
--- a/crates/ruma-client-api/src/error/kind_serde.rs
+++ b/crates/ruma-client-api/src/error/kind_serde.rs
@@ -254,6 +254,7 @@ impl<'de> Visitor<'de> for ErrorKindVisitor {
             #[cfg(feature = "unstable-msc3843")]
             ErrCode::Unactionable => ErrorKind::Unactionable,
             ErrCode::UserLocked => ErrorKind::UserLocked,
+            ErrCode::UserSuspended => ErrorKind::UserSuspended,
             ErrCode::_Custom(errcode) => ErrorKind::_Custom { errcode, extra },
         })
     }
@@ -314,6 +315,7 @@ enum ErrCode {
     #[cfg(feature = "unstable-msc3843")]
     Unactionable,
     UserLocked,
+    UserSuspended,
     _Custom(PrivOwnedStr),
 }