diff --git a/README.md b/README.md
index a57d38b..f686559 100644
--- a/README.md
+++ b/README.md
@@ -44,11 +44,11 @@ either line.
 Add the dependency to your project:
 
 ```console
-zig fetch --save git+https://git.jcollie.dev/jeff/zig-csv.git#v0.3.0
+zig fetch --save git+https://git.jcollie.dev/jeff/zig-csv.git#v0.4.0
 ```
 
 That records the resolved commit and hash in your `build.zig.zon` under the
-name `csv`. Naming a tag pins the release; leaving the `#v0.3.0` off
+name `csv`. Naming a tag pins the release; leaving the `#v0.4.0` off
 pins whatever `main` happened to point at when you ran the command, which is
 rarely what you want in a committed manifest.
 
diff --git a/build.zig.zon b/build.zig.zon
index 99f3472..c440d46 100644
--- a/build.zig.zon
+++ b/build.zig.zon
@@ -1,6 +1,6 @@
 .{
     .name = .csv,
-    .version = "0.3.0",
+    .version = "0.4.0",
     .fingerprint = 0x8a452570614d5d2,
     .minimum_zig_version = "0.17.0",
     .dependencies = .{},