diff --git a/src/api/retry.ts b/src/api/retry.ts
index 6c4644e..982603a 100644
--- a/src/api/retry.ts
+++ b/src/api/retry.ts
@@ -22,7 +22,9 @@ async function executeWithRetry<T>(
       if (operationType === "fetch") {
         Logger.error(`${chalk.red("✗")} ${chalk.cyan(filePath)}: ${errorMessage}`)
       }
-      throw new Error(`Failed to ${operationType} ${filePath} after ${MAX_RETRIES} retries: ${errorMessage}`)
+      throw new Error(`Failed to ${operationType} ${filePath} after ${MAX_RETRIES} retries: ${errorMessage}`, {
+        cause: error
+      })
     }
     const delay = INITIAL_RETRY_DELAY * Math.pow(2, retryCount)
     Logger.warn(
diff --git a/src/config/authConfig.ts b/src/config/authConfig.ts
index 3d7ac48..d9fba43 100644
--- a/src/config/authConfig.ts
+++ b/src/config/authConfig.ts
@@ -32,10 +32,10 @@ export function parseAuthFile({ allowIncomplete }: { allowIncomplete?: boolean }
     return AuthConfigSchema.parse(rawConfig)
   } catch (error) {
     if (error instanceof z.ZodError) {
-      throw new Error(`Invalid auth file at ${AuthConfigFilePath}: ${error.message}`)
+      throw new Error(`Invalid auth file at ${AuthConfigFilePath}: ${error.message}`, { cause: error })
     }
     if (error instanceof SyntaxError) {
-      throw new Error(`Invalid JSON in auth file at ${AuthConfigFilePath}: ${error.message}`)
+      throw new Error(`Invalid JSON in auth file at ${AuthConfigFilePath}: ${error.message}`, { cause: error })
     }
     throw error
   }
diff --git a/src/config/fileConfig.ts b/src/config/fileConfig.ts
index 02d9e11..64d5063 100644
--- a/src/config/fileConfig.ts
+++ b/src/config/fileConfig.ts
@@ -29,10 +29,10 @@ export function parseConfigFile({
     return PartialPersistentConfigSchema.parse(rawConfig)
   } catch (error) {
     if (error instanceof z.ZodError) {
-      throw new Error(`Invalid configuration file at ${configPath}: ${error.message}`)
+      throw new Error(`Invalid configuration file at ${configPath}: ${error.message}`, { cause: error })
     }
     if (error instanceof SyntaxError) {
-      throw new Error(`Invalid JSON in configuration file at ${configPath}: ${error.message}`)
+      throw new Error(`Invalid JSON in configuration file at ${configPath}: ${error.message}`, { cause: error })
     }
     throw error
   }
diff --git a/src/modules/deployments/redeploy.ts b/src/modules/deployments/redeploy.ts
index 3857c50..6203088 100644
--- a/src/modules/deployments/redeploy.ts
+++ b/src/modules/deployments/redeploy.ts
@@ -14,7 +14,7 @@ type RedeployOptions = {
 }
 
 export async function deploymentsRedeploy({ deploymentId, force }: RedeployOptions) {
-  let selectedDeployment = null
+  let selectedDeployment
   let selectedDeploymentId
 
   if (deploymentId) {