diff --git a/crates/ruma-common/src/api/metadata.rs b/crates/ruma-common/src/api/metadata.rs
index 08c10c6e..63588ef2 100644
--- a/crates/ruma-common/src/api/metadata.rs
+++ b/crates/ruma-common/src/api/metadata.rs
@@ -516,6 +516,11 @@ pub enum MatrixVersion {
     ///
     /// See <https://spec.matrix.org/v1.7/>.
     V1_7,
+
+    /// Version 1.8 of the Matrix specification, released in Q3 2023.
+    ///
+    /// See <https://spec.matrix.org/v1.8/>.
+    V1_8,
 }
 
 impl TryFrom<&str> for MatrixVersion {
@@ -536,6 +541,7 @@ impl TryFrom<&str> for MatrixVersion {
             "v1.5" => V1_5,
             "v1.6" => V1_6,
             "v1.7" => V1_7,
+            "v1.8" => V1_8,
             _ => return Err(UnknownVersionError),
         })
     }
@@ -582,6 +588,7 @@ impl MatrixVersion {
             MatrixVersion::V1_5 => (1, 5),
             MatrixVersion::V1_6 => (1, 6),
             MatrixVersion::V1_7 => (1, 7),
+            MatrixVersion::V1_8 => (1, 8),
         }
     }
 
@@ -596,6 +603,7 @@ impl MatrixVersion {
             (1, 5) => Ok(MatrixVersion::V1_5),
             (1, 6) => Ok(MatrixVersion::V1_6),
             (1, 7) => Ok(MatrixVersion::V1_7),
+            (1, 8) => Ok(MatrixVersion::V1_8),
             _ => Err(UnknownVersionError),
         }
     }
@@ -684,7 +692,9 @@ impl MatrixVersion {
             // <https://spec.matrix.org/v1.6/rooms/#complete-list-of-room-versions>
             MatrixVersion::V1_6
             // <https://spec.matrix.org/v1.7/rooms/#complete-list-of-room-versions>
-            | MatrixVersion::V1_7 => RoomVersionId::V10,
+            | MatrixVersion::V1_7
+            // <https://spec.matrix.org/v1.8/rooms/#complete-list-of-room-versions>
+            | MatrixVersion::V1_8 => RoomVersionId::V10,
         }
     }
 }