diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 87df6753..128b59ba 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -64,7 +64,7 @@ jobs:
         uses: ./.github/actions/ci_script
         with:
           ci-flags: "cargo-check"
-          rs-version: "1.66.0"
+          rs-version: "1.67.0"
 
   build-all-providers-stable:
     name: Cargo check all-providers (current Rust stable)
diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index 4b2eb051..4781f663 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -55,6 +55,6 @@ jobs:
         with:
           ref: "${{ github.event.inputs.rev }}"
       - name: Run the container to execute the coverage script
-        run: docker run -v $(pwd):/tmp/parsec -w /tmp/parsec --security-opt seccomp=unconfined --env RUST_TOOLCHAIN_VERSION=1.66.0 ghcr.io/parallaxsecond/parsec-service-test-all /tmp/parsec/ci.sh coverage
+        run: docker run -v $(pwd):/tmp/parsec -w /tmp/parsec --security-opt seccomp=unconfined --env RUST_TOOLCHAIN_VERSION=1.67.0 ghcr.io/parallaxsecond/parsec-service-test-all /tmp/parsec/ci.sh coverage
       - name: Collect coverage results
         run: bash <(curl -s https://codecov.io/bash)
diff --git a/Cargo.toml b/Cargo.toml
index 695bafc5..4f5097da 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,7 +9,7 @@ readme = "README.md"
 keywords = ["security", "service"]
 categories = ["cryptography", "hardware-support"]
 edition = "2018"
-rust-version = "1.66.0"
+rust-version = "1.67.0"
 
 [[bin]]
 name = "parsec"
diff --git a/ci.sh b/ci.sh
index e8c12073..f7f2b3e8 100755
--- a/ci.sh
+++ b/ci.sh
@@ -279,9 +279,7 @@ if [ "$PROVIDER_NAME" = "coverage" ]; then
     PROVIDERS="trusted-service mbed-crypto tpm pkcs11"
     EXCLUDES="fuzz/*,e2e_tests/*,src/providers/cryptoauthlib/*,src/authenticators/jwt_svid_authenticator/*"
     UNIT_TEST_FEATURES="unix-peer-credentials-authenticator,direct-authenticator"
-    # Install tarpaulin
-    # TODO: Stop using the --version parameter when MSRV is upgraded (>1.66.0)
-    cargo install cargo-tarpaulin --version 0.26.1 --locked
+    cargo install cargo-tarpaulin
 
     mkdir -p reports
 
diff --git a/e2e_tests/docker_image/generate-keys.sh b/e2e_tests/docker_image/generate-keys.sh
index 82b5fc5e..d340b3e2 100755
--- a/e2e_tests/docker_image/generate-keys.sh
+++ b/e2e_tests/docker_image/generate-keys.sh
@@ -9,7 +9,7 @@
 set -xeuf -o pipefail
 
 
-rustup install 1.66.0
+rustup install 1.67.0
 
 wait_for_process() {
     while [ -z "$(pgrep $1)" ]; do
@@ -97,7 +97,7 @@ generate_and_store_keys_for_ondisk_KIM()
     mv /tmp/create_keys/parsec/NVChip /tmp/ondisk
 
     # Build the service with trusted service provider
-    cargo +1.66.0 build --features "trusted-service-provider, all-authenticators"
+    cargo +1.67.0 build --features "trusted-service-provider, all-authenticators"
     # Start the service with trusted service provider
     ./target/debug/parsec -c e2e_tests/provider_cfg/trusted-service/config.toml &
     wait_for_process "parsec"
@@ -147,7 +147,7 @@ key_info_manager = "sqlite-manager"
 EOF
     popd
     # Build the service with trusted service provider
-    cargo +1.66.0 build --features "trusted-service-provider, all-authenticators"
+    cargo +1.67.0 build --features "trusted-service-provider, all-authenticators"
     # Start the service with trusted service provider
     ./target/debug/parsec -c e2e_tests/provider_cfg/trusted-service/config-sqlite.toml &
     wait_for_process "parsec"
@@ -170,7 +170,7 @@ git submodule update --init --recursive
 cargo install parsec-tool
 
 # Build service with all providers (trusted-service-provider isn't included)
-cargo +1.66.0 build --features "all-providers, all-authenticators"
+cargo +1.67.0 build --features "all-providers, all-authenticators"
 
 # Start the service with all providers (trusted-service-provider isn't included)
 configure_tpm