diff --git a/.gitea/workflows/cd.yml b/.gitea/workflows/cd.yml
index 36e35b4..9af640c 100644
--- a/.gitea/workflows/cd.yml
+++ b/.gitea/workflows/cd.yml
@@ -48,7 +48,14 @@ jobs:
       - name: Install toolchain
         run: |
           go version
-          go install github.com/a-h/templ/cmd/templ@latest
+          # Pin the GENERATOR to the same version as the templ LIBRARY in
+          # go.mod. Installing @latest let them drift: the generator emitted
+          # calls (templruntime.WriteString) that the pinned library did not
+          # have, which is template-go-web#8. Nothing caught it because the
+          # guard skipped `check` in this repo entirely (#12).
+          templ_version="$(go list -m -f '{{.Version}}' github.com/a-h/templ)"
+          echo "templ library is $templ_version — installing the matching generator"
+          go install "github.com/a-h/templ/cmd/templ@$templ_version"
           curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/HEAD/install.sh \
             | sh -s -- -b "$(go env GOPATH)/bin" v2.11.4
 
diff --git a/.gitignore b/.gitignore
index 902b7e7..756de3f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -27,4 +27,7 @@ go.work.sum
 
 # Project-specific
 bin/
-*.templ.go
+# templ writes <name>_templ.go -- this was '*.templ.go' (a dot, not an
+# underscore) and therefore matched nothing, so generated files were only ever
+# kept out of git by luck. template-go-web#8.
+*_templ.go
diff --git a/go.mod b/go.mod
index 198b4ef..131d2d2 100644
--- a/go.mod
+++ b/go.mod
@@ -2,6 +2,4 @@ module __MODULE_PATH__
 
 go 1.26
 
-require (
-	github.com/a-h/templ v0.2.778
-)
+require github.com/a-h/templ v0.3.1020
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..0857b6f
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,4 @@
+github.com/a-h/templ v0.3.1020 h1:ypAT/L5ySWEnZ6Zft/5yfoWXYYkhFNvEFOeeqecg4tw=
+github.com/a-h/templ v0.3.1020/go.mod h1:A2DlK61v+K+NRoGnhmYbNYVmtYHcFO5/AisMvBdDxTM=
+github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
+github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=