diff --git a/.github/workflows/umbral-pre.yml b/.github/workflows/umbral-pre.yml
index bb883e5..6c6e565 100644
--- a/.github/workflows/umbral-pre.yml
+++ b/.github/workflows/umbral-pre.yml
@@ -27,7 +27,7 @@ jobs:
     strategy:
       matrix:
         rust:
-          - 1.65.0 # MSRV
+          - 1.70.0 # MSRV
           - stable
         target:
           - wasm32-unknown-unknown
@@ -45,7 +45,7 @@ jobs:
     strategy:
       matrix:
         rust:
-          - 1.65.0 # MSRV
+          - 1.70.0 # MSRV
           - stable
         target:
           - thumbv7em-none-eabi
@@ -63,7 +63,7 @@ jobs:
     strategy:
       matrix:
         rust:
-          - 1.65.0 # MSRV
+          - 1.70.0 # MSRV
           - stable
     steps:
       - uses: actions/checkout@v2
@@ -79,7 +79,7 @@ jobs:
       matrix:
         include:
           - target: x86_64-unknown-linux-gnu
-            rust: 1.65.0 # MSRV
+            rust: 1.70.0 # MSRV
           - target: x86_64-unknown-linux-gnu
             rust: stable
 
diff --git a/CHANGELOG.md b/CHANGELOG.md
index a816563..83b0a23 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Changed
 
 - `SecretKey::try_from_be_bytes()` takes just a slice reference instead of a `SecretBox`. ([#134])
+- Bumped MSRV to 1.70. ([#134])
 
 
 [#134]: https://github.com/nucypher/rust-umbral/pull/134