diff --git a/ruma-signatures/CHANGELOG.md b/ruma-signatures/CHANGELOG.md
new file mode 100644
index 00000000..98ffc2e9
--- /dev/null
+++ b/ruma-signatures/CHANGELOG.md
@@ -0,0 +1,7 @@
+# 0.6.0 (unreleased)
+
+Breaking changes:
+
+* Remove `Copy` implementation for `Algorithm`
+* Remove `Copy` and `Clone` implementations for `Ed25519Verifier`
+* Upgrade ruma-identifiers
diff --git a/ruma-signatures/Cargo.toml b/ruma-signatures/Cargo.toml
index 0513529d..39480eb9 100644
--- a/ruma-signatures/Cargo.toml
+++ b/ruma-signatures/Cargo.toml
@@ -10,7 +10,7 @@ license = "MIT"
 name = "ruma-signatures"
 readme = "README.md"
 repository = "https://github.com/ruma/ruma"
-version = "0.6.0-dev.1"
+version = "0.6.0-alpha.1"
 
 [dependencies]
 base64 = "0.13.0"
diff --git a/ruma/Cargo.toml b/ruma/Cargo.toml
index b01b9cfd..2026533b 100644
--- a/ruma/Cargo.toml
+++ b/ruma/Cargo.toml
@@ -21,7 +21,7 @@ ruma-identifiers = { version = "=0.18.0-alpha.1", path = "../ruma-identifiers",
 ruma-serde = { version = "0.3.0", path = "../ruma-serde" }
 
 ruma-events = { version = "=0.22.0-alpha.1", path = "../ruma-events", optional = true }
-ruma-signatures = { version = "0.6.0-dev.1", path = "../ruma-signatures", optional = true }
+ruma-signatures = { version = "=0.6.0-alpha.1", path = "../ruma-signatures", optional = true }
 
 ruma-api = { version = "=0.17.0-alpha.1", path = "../ruma-api", optional = true }
 ruma-appservice-api = { version = "=0.2.0-alpha.1", path = "../ruma-appservice-api", optional = true }
@@ -47,19 +47,19 @@ identity-service-api = ["ruma-api", "ruma-identity-service-api"]
 push-gateway-api = ["ruma-api", "ruma-push-gateway-api"]
 
 unstable-exhaustive-types = [
-  "ruma-events/unstable-exhaustive-types",
-  "ruma-appservice-api/unstable-exhaustive-types",
-  "ruma-client-api/unstable-exhaustive-types",
-  "ruma-federation-api/unstable-exhaustive-types",
-  "ruma-common/unstable-exhaustive-types",
+    "ruma-events/unstable-exhaustive-types",
+    "ruma-appservice-api/unstable-exhaustive-types",
+    "ruma-client-api/unstable-exhaustive-types",
+    "ruma-federation-api/unstable-exhaustive-types",
+    "ruma-common/unstable-exhaustive-types",
 ]
 unstable-pre-spec = [
-  "ruma-client-api/unstable-pre-spec",
-  "ruma-events/unstable-pre-spec",
-  "ruma-federation-api/unstable-pre-spec",
+    "ruma-client-api/unstable-pre-spec",
+    "ruma-events/unstable-pre-spec",
+    "ruma-federation-api/unstable-pre-spec",
 ]
 unstable-synapse-quirks = [
-  "ruma-client-api/unstable-synapse-quirks",
-  "ruma-common/unstable-synapse-quirks",
-  "ruma-events/unstable-synapse-quirks",
+    "ruma-client-api/unstable-synapse-quirks",
+    "ruma-common/unstable-synapse-quirks",
+    "ruma-events/unstable-synapse-quirks",
 ]