diff --git a/.changeset/thick-days-cross.md b/.changeset/thick-days-cross.md
new file mode 100644
index 000000000..2f9138423
--- /dev/null
+++ b/.changeset/thick-days-cross.md
@@ -0,0 +1,5 @@
+---
+'skuba': patch
+---
+
+**template:** Lock `.nvmrc`s to Node.js 12
diff --git a/.nvmrc b/.nvmrc
index 1a2f5bd20..48082f72f 100644
--- a/.nvmrc
+++ b/.nvmrc
@@ -1 +1 @@
-lts/*
\ No newline at end of file
+12
diff --git a/template/oss-npm-package/.nvmrc b/template/oss-npm-package/.nvmrc
index 1a2f5bd20..48082f72f 100644
--- a/template/oss-npm-package/.nvmrc
+++ b/template/oss-npm-package/.nvmrc
@@ -1 +1 @@
-lts/*
\ No newline at end of file
+12
diff --git a/template/private-npm-package/.nvmrc b/template/private-npm-package/.nvmrc
index 1a2f5bd20..48082f72f 100644
--- a/template/private-npm-package/.nvmrc
+++ b/template/private-npm-package/.nvmrc
@@ -1 +1 @@
-lts/*
\ No newline at end of file
+12