diff --git a/.github/workflows/large-scope.yml b/.github/workflows/large-scope.yml
index 15bed4f..4c54573 100644
--- a/.github/workflows/large-scope.yml
+++ b/.github/workflows/large-scope.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        rust: [1.64.0, beta, nightly]
+        rust: [1.70.0, beta, nightly]
 
     steps:
       - name: Rust install
diff --git a/Cargo.toml b/Cargo.toml
index bbbbaa8..c776eaa 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,7 +2,7 @@
 name = "tmux-backup"
 version = "0.5.3"
 edition = "2021"
-rust-version = "1.64.0"
+rust-version = "1.70.0"
 description = "A backup & restore solution for Tmux sessions."
 readme = "README.md"
 
diff --git a/README.md b/README.md
index 56250af..1a64640 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@
 
 A backup & restore solution for Tmux sessions.
 
-Version requirement: _rustc 1.64+_
+Version requirement: _rustc 1.70+_
 
 ## Features
 
diff --git a/ci/test_full.sh b/ci/test_full.sh
index 5f47f09..ae2b7e8 100755
--- a/ci/test_full.sh
+++ b/ci/test_full.sh
@@ -3,7 +3,7 @@
 set -e
 
 CRATE=tmux-backup
-MSRV=1.64
+MSRV=1.70
 
 get_rust_version() {
   local array=($(rustc --version));
@@ -28,7 +28,7 @@ if ! check_version $MSRV ; then
 fi
 
 FEATURES=()
-# check_version 1.64 && FEATURES+=(libm)
+# check_version 1.70 && FEATURES+=(libm)
 echo "Testing supported features: ${FEATURES[*]}"
 
 set -x
diff --git a/src/lib.rs b/src/lib.rs
index e456c99..33c7395 100755
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -2,7 +2,7 @@
 
 //! A backup & restore solution for Tmux sessions.
 //!
-//! Version requirement: _rustc 1.64+_
+//! Version requirement: _rustc 1.70+_
 //!
 //! ## Features
 //!