diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4332693776..bcfdd71a0b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -101,17 +101,21 @@ jobs:
   msrv:
     strategy:
       matrix:
-        os: [ windows-latest, ubuntu-latest ]
+        os: [windows-latest, ubuntu-latest]
+        rust: [1.65.0, 1.70.0]
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v4
-      with:
-        submodules: true
-    - uses: dtolnay/rust-toolchain@1.65.0
-    - name: Patch dependencies versions # some dependencies bump MSRV without major version bump
-      run: bash ./scripts/patch_dependencies.sh
-    - name: Check MSRV for all crates
-      run: bash ./scripts/msrv.sh
+      - uses: actions/checkout@v4
+        with:
+          submodules: true
+      - name: Set up Rust ${{ matrix.rust }}
+        uses: dtolnay/rust-toolchain@master
+        with:
+          toolchain: ${{ matrix.rust }}
+      - name: Patch dependencies versions
+        run: bash ./scripts/patch_dependencies.sh
+      - name: Check MSRV for all crates
+        run: bash ./scripts/msrv.sh ${{ matrix.rust }}
   cargo-deny:
     runs-on: ubuntu-latest # This uses the step `EmbarkStudios/cargo-deny-action@v1` which is only supported on Linux
     continue-on-error: true # Prevent sudden announcement of a new advisory from failing ci
diff --git a/opentelemetry-proto/CHANGELOG.md b/opentelemetry-proto/CHANGELOG.md
index eee7294902..afcccc6ea4 100644
--- a/opentelemetry-proto/CHANGELOG.md
+++ b/opentelemetry-proto/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## vNext
 
+- Bump MSRV to 1.70 [1864](https://github.com/open-telemetry/opentelemetry-rust/pull/1874)
+
 ## v0.6.0
 
 - Update protobuf definitions to v1.3.1 [#1721](https://github.com/open-telemetry/opentelemetry-rust/pull/1721)
diff --git a/opentelemetry-proto/Cargo.toml b/opentelemetry-proto/Cargo.toml
index 1ff235ba6a..65836b58e7 100644
--- a/opentelemetry-proto/Cargo.toml
+++ b/opentelemetry-proto/Cargo.toml
@@ -13,7 +13,7 @@ categories = [
 keywords = ["opentelemetry", "otlp", "logging", "tracing", "metrics"]
 license = "Apache-2.0"
 edition = "2021"
-rust-version = "1.65"
+rust-version = "1.70"
 autotests = false
 
 [lib]
diff --git a/opentelemetry-proto/README.md b/opentelemetry-proto/README.md
index b540bc4403..e655fbeacd 100644
--- a/opentelemetry-proto/README.md
+++ b/opentelemetry-proto/README.md
@@ -5,3 +5,6 @@
 # OpenTelemetry Proto
 This crate contains generated files from [opentelemetry-proto](https://github.com/open-telemetry/opentelemetry-proto)
 repository and transformation between types from generated files and types defined in [opentelemetry](https://github.com/open-telemetry/opentelemetry-rust/tree/main/opentelemetry).
+
+
+*Compiler support: [requires `rustc` 1.70+]
\ No newline at end of file
diff --git a/scripts/msrv.sh b/scripts/msrv.sh
index eb9386cfa3..30c080a33b 100755
--- a/scripts/msrv.sh
+++ b/scripts/msrv.sh
@@ -2,32 +2,55 @@
 
 set -eu
 
-echo "Running msrv check for opentelemetry package"
-cargo check --manifest-path=opentelemetry/Cargo.toml --all-features
-
-echo "Running msrv check for opentelemetry-sdk package"
-cargo check --manifest-path=opentelemetry-sdk/Cargo.toml --all-features
-
-echo "Running msrv check for opentelemetry-stdout package"
-cargo check --manifest-path=opentelemetry-stdout/Cargo.toml --all-features
-
-# TODO: Ignoring as this is failing with the following error:
-# error: package `prost-derive v0.12.6` cannot be built because it requires rustc 1.70 or newer, while the currently active rustc version is 1.65.0
-#echo "Running msrv check for opentelemetry-otlp package"
-# cargo check --manifest-path=opentelemetry-otlp/Cargo.toml --all-features
-
-echo "Running msrv check for opentelemetry-http package"
-cargo check --manifest-path=opentelemetry-http/Cargo.toml --all-features
-
-echo "Running msrv check for opentelemetry-jaeger-propagator package"
-cargo check --manifest-path=opentelemetry-jaeger-propagator/Cargo.toml --all-features
-
-echo "Running msrv check for opentelemetry-zipkin package"
-cargo check --manifest-path=opentelemetry-zipkin/Cargo.toml --all-features
-
-echo "Running msrv check for opentelemetry-appender-log package"
-cargo check --manifest-path=opentelemetry-appender-log/Cargo.toml --all-features
-
-echo "Running msrv check for opentelemetry-appender-tracing package"
-cargo check --manifest-path=opentelemetry-appender-tracing/Cargo.toml --all-features
-
+# Check if a version is specified as parameter
+if [ $# -eq 0 ]; then
+  echo "No Rust version specified. Usage: $0 <rust-version>"
+  exit 1
+fi
+
+RUST_VERSION=$1
+
+# Determine the directory containing the script
+SCRIPT_DIR=$(dirname "$(readlink -f "$0")")
+
+# Path to the configuration file
+CONFIG_FILE="$SCRIPT_DIR/msrv_config.json"
+
+# Change to the root directory of the repository
+cd "$SCRIPT_DIR/.."
+
+echo "Current working directory: $(pwd)"
+
+# function to check if specified toolchain is installed
+check_rust_toolchain_installed() {
+  local version=$1
+  if ! rustup toolchain list | grep -q "$version"; then
+    echo "Rust toolchain $version is not installed. Please install it using 'rustup toolchain install $version'."
+    exit 1
+  fi
+}
+
+# check if specified toolchain is installed
+check_rust_toolchain_installed "$RUST_VERSION"
+
+# Extract the exact installed rust version string
+installed_version=$(rustup toolchain list | grep "$RUST_VERSION" | awk '{print $1}')
+
+# Read the configuration file and get the packages for the specified version
+if [ -f "$CONFIG_FILE" ]; then
+  packages=$(jq -r --arg version "$RUST_VERSION" '.[$version] | .[]' "$CONFIG_FILE" | tr '\n' ' ')
+  if [ -z "$packages" ]; then
+    echo "No packages found for Rust version $RUST_VERSION in the configuration file."
+    exit 1
+  fi
+else
+  echo "Configuration file $CONFIG_FILE not found."
+  exit 1
+fi
+
+# Check MSRV for the packages
+for package in $packages; do
+  package=$(echo "$package" | tr -d '\r\n') # Remove any newline and carriage return characters
+  echo "Command: rustup run \"$installed_version\" cargo check --manifest-path=\"$package\" --all-features"
+  rustup run "$installed_version" cargo check --manifest-path=$package --all-features
+done
diff --git a/scripts/msrv_config.json b/scripts/msrv_config.json
new file mode 100644
index 0000000000..321c2afda3
--- /dev/null
+++ b/scripts/msrv_config.json
@@ -0,0 +1,17 @@
+{
+    "1.65.0": [
+      "opentelemetry/Cargo.toml",
+      "opentelemetry-sdk/Cargo.toml",
+      "opentelemetry-stdout/Cargo.toml",
+      "opentelemetry-http/Cargo.toml",
+      "opentelemetry-jaeger-propagator/Cargo.toml",
+      "opentelemetry-zipkin/Cargo.toml",
+      "opentelemetry-appender-log/Cargo.toml",
+      "opentelemetry-appender-tracing/Cargo.toml"
+    ],
+    "1.70.0": [
+      "opentelemetry-otlp/Cargo.toml",
+      "opentelemetry-proto/Cargo.toml"
+    ]
+  }
+  
\ No newline at end of file