diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 38b545e8732f22f5ba88580228ed1915a521513c..ac960a7e1735fe78df147d905d021b8189d1b69c 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -145,7 +145,7 @@ windows-gnu-cng:
   image: registry.gitlab.com/sequoia-pgp/build-docker-image/windows-gnu
   before_script:
     # the default before_scipt scriptlet doesn't work on Powershell
-    - rustup default "1.60.0"
+    - rustup default "1.63.0"
     - rustc --version --verbose
     - cargo --version
     - clang -v
@@ -167,7 +167,7 @@ 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:
@@ -186,7 +186,7 @@ windows-msvc-nmakefile:
   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"
     - rustup show active-toolchain
     - rustc --version --verbose
     - cargo --version
@@ -205,7 +205,7 @@ windows-msvc-msbuild:
   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"
     - rustup show active-toolchain
     - rustc --version --verbose
     - cargo --version
@@ -234,7 +234,7 @@ windows-msvc32-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-x86_64-pc-windows-msvc
+    - rustup default 1.63.0-x86_64-pc-windows-msvc
     - rustup target add i686-pc-windows-msvc
     - rustup show
     - rustc --version --verbose
diff --git a/Cargo.toml b/Cargo.toml
index ad22949cba4cd9de8e5f18dd6e14b12960eeb6c6..5569dcf5426bb5ae83a5dd05cd0307f0b2af0a14 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,7 +10,7 @@ keywords = ["cryptography", "openpgp", "pgp", "encryption", "signing"]
 categories = ["cryptography", "authentication", "email"]
 license = "GPL-3.0-or-later"
 edition = "2021"
-rust-version = "1.60"
+rust-version = "1.63"
 
 [badges]
 maintenance = { status = "actively-developed" }
diff --git a/README.md b/README.md
index 31eb14f235979c098f87a3c462d029029c790f05..9ce7c28d60d75a36d4202488902a34bcaa7bb4d5 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ This library provides an implementation of the [pEp Engine]'s
 
 ## Linux and MacOS
 
-You need at least version 1.60 of `rustc` and `cargo`.
+You need at least version 1.63 of `rustc` and `cargo`.
 
 You can build this library as follows: