diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ffb4f5b..7965331 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,7 +20,7 @@ jobs:
 
       - name: Setup rust tooling
         run: |
-          rustup override set 1.68
+          rustup override set 1.70
           rustup component add rustfmt clippy
 
       - uses: ./.github/actions/ci
@@ -47,7 +47,7 @@ jobs:
 
       - name: Setup rust tooling
         run: |
-          rustup override set 1.68
+          rustup override set 1.70
           rustup component add rustfmt clippy
           rustup target add x86_64-unknown-linux-musl
 
diff --git a/.github/workflows/manual-publish.yml b/.github/workflows/manual-publish.yml
index b0d624e..d8aacd4 100644
--- a/.github/workflows/manual-publish.yml
+++ b/.github/workflows/manual-publish.yml
@@ -19,7 +19,7 @@ jobs:
 
       - name: Setup rust tooling
         run: |
-          rustup override set 1.68
+          rustup override set 1.70
           rustup component add rustfmt clippy
 
       - uses: ./.github/actions/ci
diff --git a/.github/workflows/release-please.yml b/.github/workflows/release-please.yml
index f4bf24b..adebc7c 100644
--- a/.github/workflows/release-please.yml
+++ b/.github/workflows/release-please.yml
@@ -28,7 +28,7 @@ jobs:
       - name: Setup rust tooling
         if: ${{ steps.release.outputs.releases_created }}
         run: |
-          rustup override set 1.68
+          rustup override set 1.70
           rustup component add rustfmt clippy
 
       - uses: launchdarkly/gh-actions/actions/release-secrets@release-secrets-v1.0.0
diff --git a/contract-tests/Cargo.toml b/contract-tests/Cargo.toml
index db399eb..f3057c9 100644
--- a/contract-tests/Cargo.toml
+++ b/contract-tests/Cargo.toml
@@ -2,7 +2,7 @@
 name = "contract-tests"
 version = "0.1.0"
 edition = "2021"
-rust-version = "1.68.0"  # MSRV
+rust-version = "1.70.0"  # MSRV
 license = "Apache-2.0"
 
 [dependencies]
diff --git a/launchdarkly-server-sdk/Cargo.toml b/launchdarkly-server-sdk/Cargo.toml
index ffcf135..9f4464f 100644
--- a/launchdarkly-server-sdk/Cargo.toml
+++ b/launchdarkly-server-sdk/Cargo.toml
@@ -4,7 +4,7 @@ description = "LaunchDarkly Server-Side SDK"
 version = "2.0.1"
 authors = ["LaunchDarkly"]
 edition = "2021"
-rust-version = "1.68.0"  # MSRV
+rust-version = "1.70.0"  # MSRV
 license = "Apache-2.0"
 homepage = "https://docs.launchdarkly.com/sdk/server-side/rust"
 repository = "https://github.com/launchdarkly/rust-server-sdk"