diff --git a/.github/workflows/sdk-publish.yaml b/.github/workflows/sdk-publish.yaml
index b25ae3b..adf650c 100644
--- a/.github/workflows/sdk-publish.yaml
+++ b/.github/workflows/sdk-publish.yaml
@@ -21,6 +21,10 @@ on:
         required: false
         type: string
         default: "5.x"
+      poetry_version:
+        description: "The version of poetry to use"
+        required: false
+        type: string
       target:
         description: "The specific target to publish"
         required: false
@@ -154,11 +158,13 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: "3.8"
+          python-version: "3.9"
       - name: Install poetry
         run: |
-          curl -sSL https://install.python-poetry.org | POETRY_VERSION=1.8.3 python3 -
+          curl -sSL https://install.python-poetry.org | python3 -
           poetry --version
+        env:
+          POETRY_VERSION: ${{ inputs.poetry_version }}
       - name: Check for publish.sh
         id: check-publish
         run: |
diff --git a/.github/workflows/workflow-executor.yaml b/.github/workflows/workflow-executor.yaml
index c9f353a..1268f29 100644
--- a/.github/workflows/workflow-executor.yaml
+++ b/.github/workflows/workflow-executor.yaml
@@ -78,6 +78,10 @@ on:
         description: "Version of pnpm to install. Not recommended for use without consulting Speakeasy support."
         required: false
         type: string
+      poetry_version:
+        description: "Version of poetry to install. Not recommended for use without consulting Speakeasy support."
+        required: false
+        type: string
     secrets:
       github_access_token:
         description: A GitHub access token with write access to the repo
@@ -208,6 +212,7 @@ jobs:
           set_version: ${{ inputs.set_version }}
           cli_environment_variables: ${{ inputs.environment }}
           pnpm_version: ${{ inputs.pnpm_version }}
+          poetry_version: ${{ inputs.poetry_version }}
       - uses: ravsamhq/notify-slack-action@v2
         if: ${{ steps.check-label.outputs.short_circuit_label_trigger != 'true' && env.SLACK_WEBHOOK_URL != '' }}
         with:
@@ -257,11 +262,13 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: "3.8"
+          python-version: "3.9"
       - name: Install poetry
         run: |
-          curl -sSL https://install.python-poetry.org | POETRY_VERSION=1.8.3 python3 -
+          curl -sSL https://install.python-poetry.org | python3 -
           poetry --version
+        env:
+          POETRY_VERSION: ${{ inputs.poetry_version }}
       - name: Check for publish.sh
         id: check-publish
         run: |
diff --git a/Dockerfile b/Dockerfile
index 123e9a5..5fe0971 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -24,11 +24,7 @@ RUN apk add git
 RUN apk add --update --no-cache nodejs npm
 
 ### Install Python
-RUN apk add --update --no-cache python3 py3-pip python3-dev
-
-### Install Poetry and validate
-RUN apk add --update --no-cache poetry
-RUN poetry --version
+RUN apk add --update --no-cache python3 py3-pip python3-dev pipx
 
 ### Install Java
 RUN apk add --update --no-cache openjdk11 gradle
diff --git a/action.yml b/action.yml
index 4f1538d..e1d2059 100644
--- a/action.yml
+++ b/action.yml
@@ -94,6 +94,9 @@ inputs:
   pnpm_version:
     description: "Version of pnpm to install. Not recommended for use without consulting Speakeasy support."
     required: false
+  poetry_version:
+    description: "Version of poetry to install. Not recommended for use without consulting Speakeasy support."
+    required: false
 outputs:
   publish_python:
     description: "Whether the Python SDK will be published to PyPi"
@@ -199,3 +202,4 @@ runs:
     - ${{ inputs.set_version }}
     - ${{ inputs.cli_environment_variables }}
     - ${{ inputs.pnpm_version }}
+    - ${{ inputs.poetry_version }}
diff --git a/internal/actions/setup_environment.go b/internal/actions/setup_environment.go
index 04ef581..426bc4c 100644
--- a/internal/actions/setup_environment.go
+++ b/internal/actions/setup_environment.go
@@ -13,6 +13,10 @@ import (
 // publishing, then an input (pnpm_version in this case) should be set to a
 // non-empty value and this logic will install the dependency.
 func SetupEnvironment() error {
+	if err := installPoetry(); err != nil {
+		return err
+	}
+
 	if pnpmVersion := environment.GetPnpmVersion(); pnpmVersion != "" {
 		pnpmPackageSpec := "pnpm@" + pnpmVersion
 		cmd := exec.Command("npm", "install", "-g", pnpmPackageSpec)
@@ -24,3 +28,21 @@ func SetupEnvironment() error {
 
 	return nil
 }
+
+// Installs poetry using pipx. If the INPUT_POETRY_VERSION environment variable
+// is set, it will install that version.
+func installPoetry() error {
+	poetrySpec := "poetry"
+
+	if poetryVersion := environment.GetPoetryVersion(); poetryVersion != "" {
+		poetrySpec = "poetry==" + poetryVersion
+	}
+
+	cmd := exec.Command("pipx", "install", poetrySpec)
+
+	if err := cmd.Run(); err != nil {
+		return fmt.Errorf("error installing poetry: %w", err)
+	}
+
+	return nil
+}
diff --git a/internal/environment/environment.go b/internal/environment/environment.go
index 4f72b6e..f775f69 100644
--- a/internal/environment/environment.go
+++ b/internal/environment/environment.go
@@ -213,6 +213,10 @@ func GetOpenAPIDocAuthToken() string {
 	return os.Getenv("INPUT_OPENAPI_DOC_AUTH_TOKEN")
 }
 
+func GetPoetryVersion() string {
+	return os.Getenv("INPUT_POETRY_VERSION")
+}
+
 func GetPnpmVersion() string {
 	return os.Getenv("INPUT_PNPM_VERSION")
 }