diff --git a/.changeset/thirty-bananas-tickle.md b/.changeset/thirty-bananas-tickle.md
new file mode 100644
index 000000000..3ec9c62b5
--- /dev/null
+++ b/.changeset/thirty-bananas-tickle.md
@@ -0,0 +1,5 @@
+---
+'skuba': minor
+---
+
+format, lint: Add `pnpm-lock.yaml` to `.prettierignore`
diff --git a/.prettierignore b/.prettierignore
index f79f754a9..1b5cb4b78 100644
--- a/.prettierignore
+++ b/.prettierignore
@@ -4,6 +4,7 @@
 /.gantry/**/*.yml
 gantry*.yaml
 gantry*.yml
+pnpm-lock.yaml
 # end managed by skuba
 
 /integration/base/
diff --git a/src/cli/configure/analysis/__snapshots__/project.test.ts.snap b/src/cli/configure/analysis/__snapshots__/project.test.ts.snap
index fdfc9f29e..e0739b827 100644
--- a/src/cli/configure/analysis/__snapshots__/project.test.ts.snap
+++ b/src/cli/configure/analysis/__snapshots__/project.test.ts.snap
@@ -90,6 +90,7 @@ yarn-error.log
 /.gantry/**/*.yml
 gantry*.yaml
 gantry*.yml
+pnpm-lock.yaml
 # end managed by skuba
 ",
     "operation": "A",
diff --git a/template/base/_.prettierignore b/template/base/_.prettierignore
index 58c1da8f1..e0ff288a5 100644
--- a/template/base/_.prettierignore
+++ b/template/base/_.prettierignore
@@ -4,4 +4,5 @@
 /.gantry/**/*.yml
 gantry*.yaml
 gantry*.yml
+pnpm-lock.yaml
 # end managed by skuba