diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 0b2545f8..62a5fe95 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -150,7 +150,7 @@ clippy:
   before_script:
     - *before_script_start
     - apt-get -y install libssl-dev capnproto libsqlite3-dev
-    - rustup default 1.60.0
+    - rustup default 1.63.0
     - rustup component add clippy
     - cargo clippy --version
     - *before_script_end
@@ -175,7 +175,7 @@ windows-msvc-cng:
   before_script:
     # We don't call *before_script_start or *before_script_end as we
     # don't have bash, clang, etc.
-    - rustup default "1.60.0"
+    - rustup default "1.63.0"
     - rustc --version --verbose
     - cargo --version
   script:
diff --git a/Cargo.toml b/Cargo.toml
index 288b8f90..808dc408 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,7 +22,7 @@ keywords = ["cryptography", "openpgp", "pgp", "encryption", "signing"]
 categories = ["cryptography", "authentication", "command-line-utilities"]
 license = "GPL-2.0-or-later"
 edition = "2021"
-rust-version = "1.60"
+rust-version = "1.63"
 
 [badges]
 gitlab = { repository = "sequoia-pgp/sequoia-sq" }