diff --git a/Cargo.lock b/Cargo.lock
index 434407c..de6765c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -189,7 +189,7 @@ dependencies = [
 
 [[package]]
 name = "backbone-lib"
-version = "0.1.0"
+version = "0.2.11"
 dependencies = [
  "bytes",
  "ewebsock",
@@ -2649,7 +2649,7 @@ dependencies = [
 
 [[package]]
 name = "protocol"
-version = "0.1.0"
+version = "0.2.11"
 dependencies = [
  "serde",
 ]
@@ -2883,7 +2883,7 @@ checksum = "dc897dd8d9e8bd1ed8cdad82b5966c3e0ecae09fb1907d58efaa013543185d0a"
 
 [[package]]
 name = "relay-server"
-version = "0.1.0"
+version = "0.2.11"
 dependencies = [
  "argon2",
  "axum",
@@ -3893,7 +3893,7 @@ dependencies = [
 
 [[package]]
 name = "trictrac-store"
-version = "0.1.0"
+version = "0.2.11"
 dependencies = [
  "anyhow",
  "base64 0.21.7",
@@ -3906,7 +3906,7 @@ dependencies = [
 
 [[package]]
 name = "trictrac-web"
-version = "0.1.0"
+version = "0.2.11"
 dependencies = [
  "backbone-lib",
  "futures",
diff --git a/Cargo.toml b/Cargo.toml
index e78d862..9db1a73 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,3 +1,6 @@
+[workspace.package]
+version = "0.2.11"
+
 [workspace]
 resolver = "2"
 
diff --git a/clients/backbone-lib/Cargo.toml b/clients/backbone-lib/Cargo.toml
index 1e57d93..d6ae5c9 100644
--- a/clients/backbone-lib/Cargo.toml
+++ b/clients/backbone-lib/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "backbone-lib"
-version = "0.1.0"
+version.workspace = true
 edition = "2024"
 
 [dependencies]
diff --git a/clients/web/Cargo.toml b/clients/web/Cargo.toml
index 4849bec..1edb9eb 100644
--- a/clients/web/Cargo.toml
+++ b/clients/web/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "trictrac-web"
-version = "0.1.0"
+version.workspace = true
 edition = "2021"
 
 [package.metadata.leptos-i18n]
diff --git a/flake.nix b/flake.nix
index 54da2ed..cde292d 100644
--- a/flake.nix
+++ b/flake.nix
@@ -103,7 +103,7 @@
 
           trictrac = with final; rustPlatform.buildRustPackage {
             pname = "trictrac";
-            version = "0.2.1";
+            version = "0.2.11"; # trictrac-version
             src = ./.;
 
             nativeBuildInputs = [ pkg-config ];
diff --git a/justfile b/justfile
index fe80391..fe4e52e 100644
--- a/justfile
+++ b/justfile
@@ -2,6 +2,17 @@
 # ^ A shebang isn't required, but allows a justfile to be executed
 #   like a script, with `./justfile test`, for example.
 
+# Bump the project version and start a git-flow release.
+# Usage: just bump 0.2.12
+# After running, finish with: git flow release finish <version>
+bump version:
+  sed -i '/^\[workspace\.package\]/,/^\[/{s/^version = ".*"/version = "{{version}}"/}' Cargo.toml
+  sed -i 's/version = "[0-9.]*"; # trictrac-version/version = "{{version}}"; # trictrac-version/' flake.nix
+  git flow release start {{version}}
+  git add Cargo.toml flake.nix
+  git commit -m "chore: bump version to {{version}}"
+  @echo "Done. Finish with: git flow release finish {{version}}"
+
 doc:
   cargo doc --no-deps
 shell:
diff --git a/server/protocol/Cargo.toml b/server/protocol/Cargo.toml
index 2630fc1..70f4e68 100644
--- a/server/protocol/Cargo.toml
+++ b/server/protocol/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "protocol"
-version = "0.1.0"
+version.workspace = true
 edition = "2024"
 
 [dependencies]
diff --git a/server/relay-server/Cargo.toml b/server/relay-server/Cargo.toml
index ccb97fa..1c0112b 100644
--- a/server/relay-server/Cargo.toml
+++ b/server/relay-server/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "relay-server"
-version = "0.1.0"
+version.workspace = true
 edition = "2024"
 
 [dependencies]
diff --git a/store/Cargo.toml b/store/Cargo.toml
index d8a594c..92b1b84 100644
--- a/store/Cargo.toml
+++ b/store/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "trictrac-store"
-version = "0.1.0"
+version.workspace = true
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html