diff --git a/README.md b/README.md
index ea72a9f..41f56fa 100644
--- a/README.md
+++ b/README.md
@@ -15,6 +15,7 @@ Every argument is optional.
 | Input              | Description                                                                                                                       | Default |
 |--------------------|-----------------------------------------------------------------------------------------------------------------------------------|---------|
 | crate-name         | The crate whose API to check for semver. If not set, all crates in the workspace are processed. | |
+| manifest-path      | Path to Cargo.toml of crate or workspace to check. Has an effect only if `crate-name` is not specified. | |
 
 # Scenarios
 
@@ -22,7 +23,7 @@ Every argument is optional.
 
 ## Use in workspaces with more than one crate
 
-By default, if workspace contains multiple crates, all of them are checked against semver violations. You can specify single crate to be checked instead using `crate-name`.
+By default, if workspace contains multiple crates, all of them are checked against semver violations. You can specify single crate to be checked instead using `crate-name` or `manifest-path`.
 
 For example, this will check `my-crate`:
 ```yaml
diff --git a/action.yml b/action.yml
index d58cf6d..1b1d877 100644
--- a/action.yml
+++ b/action.yml
@@ -8,6 +8,10 @@ inputs:
     description: 'The crate whose API to check for semver. If not set, all crates in the workspace are processed.'
     required: false
     default: ''
+  manifest-path:
+    description: 'Path to Cargo.toml of crate or workspace to check. Has an effect only if crate-name is not specified.'
+    required: false
+    default: ''
 runs:
   using: "composite"
   steps:
@@ -24,14 +28,11 @@ runs:
         # Colorize output, since GitHub Actions terminals support color.
         export CARGO_TERM_COLOR=always
 
-        # If crate to check is specified, pass it to cargo-semver-checks,
-        # otherwise use `--workspace` option.
-        if [[ "${{ inputs.crate-name }}" == '' ]]; then
-          export PACKAGE_OPTION="--workspace"
-        else
-          export PACKAGE_OPTION="--package ${{ inputs.crate-name }}"
-        fi
+        export CRATE_NAME="${{ inputs.crate-name }}"
+        export MANIFEST_PATH="${{ inputs.manifest-path }}"
+        
+        export SEMVER_CHECKS_OPTIONS="${CRATE_NAME:+"--package $CRATE_NAME"} ${MANIFEST_PATH:+"--manifest-path $MANIFEST_PATH"}"
 
         # Check for semver violations.
         cargo install cargo-semver-checks --locked
-        cargo semver-checks check-release $PACKAGE_OPTION
+        cargo semver-checks check-release $SEMVER_CHECKS_OPTIONS