diff --git a/MAINTENANCE.md b/MAINTENANCE.md
new file mode 100644
index 0000000..dd0e701
--- /dev/null
+++ b/MAINTENANCE.md
@@ -0,0 +1,10 @@
+# Releasing new versions
+
+* Add and review a new blurb to the changelog by running the
+`make-changelog-blurb.sh` script and appending the result to the top of
+the file.
+* Update all versions of crates listed in the changelog.
+* Commit changes.
+* Run the `sign-new-versions.sh` script to tag the new versions.
+* Run the `publish.sh` script to push the latest packages to the Distrust
+Cargo registry.
diff --git a/crates/keyfork-shard/Cargo.toml b/crates/keyfork-shard/Cargo.toml
index 14bca31..9072378 100644
--- a/crates/keyfork-shard/Cargo.toml
+++ b/crates/keyfork-shard/Cargo.toml
@@ -35,5 +35,5 @@ card-backend-pcsc = { workspace = true, optional = true }
 openpgp-card-sequoia = { workspace = true, optional = true }
 openpgp-card = { workspace = true, optional = true }
 sequoia-openpgp = { workspace = true, optional = true }
-base64 = "0.22.0"
+base64 = { workspace = true }
 blahaj = "0.6.0"