diff --git a/packages/geoprocessing/src/clients/tasks.ts b/packages/geoprocessing/src/clients/tasks.ts
index e7e8389eb7..50d60b9c99 100644
--- a/packages/geoprocessing/src/clients/tasks.ts
+++ b/packages/geoprocessing/src/clients/tasks.ts
@@ -1,34 +1,5 @@
 import { GeoprocessingTask } from "../aws/tasks.js";
-import {
-  GeoprocessingRequest,
-  GeoprocessingRequestParams,
-  SketchProperties,
-} from "../types/index.js";
-import md5 from "spark-md5";
-import canonicalize from "../util/canonicalize.js";
-
-/**
- * Generates a cache key for a geoprocessing request, given sketch properties and optional extra parameters (must be JSON compatible object)
- * Extra parameters are canonicalized and hashed using md5 to ensure cache key is consistent.  Canonicalization ensures object keys are consistent
- * but not arrays.  If you use arrays as extraParam values, make sure the order stays the same and sort first if needed to generate a consistent cache key.
- */
-export const genTaskCacheKey = (
-  /** Properties of sketch to generate cache key for */
-  props: SketchProperties,
-  /** Extra parameters to include in cache key */
-  extraParams: GeoprocessingRequestParams = {}
-) => {
-  let cacheKey = `${props.id}-${props.updatedAt}`;
-  if (Object.keys(extraParams).length > 0) {
-    // Ensure JSON object has consistent stringification
-    const canon = canonicalize(extraParams);
-    // Hash the stringified JSON object
-    const hash = md5.hash(JSON.stringify(canon));
-    // Append the hash to the cache key to keep the key semi-human-readable
-    cacheKey = `${cacheKey}-${hash}`;
-  }
-  return cacheKey;
-};
+import { GeoprocessingRequest } from "../types/index.js";
 
 /**
  * Runs task by sending GET request to url with payload and optional flags
diff --git a/packages/geoprocessing/src/hooks/useFunction.ts b/packages/geoprocessing/src/hooks/useFunction.ts
index 906788428d..8220f81f9f 100644
--- a/packages/geoprocessing/src/hooks/useFunction.ts
+++ b/packages/geoprocessing/src/hooks/useFunction.ts
@@ -7,7 +7,8 @@ import {
   GeoprocessingProject,
   GeoprocessingRequestParams,
 } from "../types/index.js";
-import { runTask, finishTask, genTaskCacheKey } from "../clients/tasks.js";
+import { runTask, finishTask } from "../clients/tasks.js";
+import { genTaskCacheKey } from "../util/genTaskCacheKey.js";
 import cloneDeep from "lodash/cloneDeep.js";
 
 interface PendingRequest {
diff --git a/packages/geoprocessing/src/util/genTaskCacheKey.ts b/packages/geoprocessing/src/util/genTaskCacheKey.ts
new file mode 100644
index 0000000000..2703178748
--- /dev/null
+++ b/packages/geoprocessing/src/util/genTaskCacheKey.ts
@@ -0,0 +1,26 @@
+import { SketchProperties } from "../types/index.js";
+import md5 from "spark-md5";
+import canonicalize from "../util/canonicalize.js";
+
+/**
+ * Generates a cache key for a geoprocessing request, given sketch properties and optional extra parameters (must be JSON compatible object)
+ * Extra parameters are canonicalized and hashed using md5 to ensure cache key is consistent.  Canonicalization ensures object keys are consistent
+ * but not arrays.  If you use arrays as extraParam values, make sure the order stays the same and sort first if needed to generate a consistent cache key.
+ */
+export const genTaskCacheKey = (
+  /** Properties of sketch to generate cache key for */
+  props: SketchProperties,
+  /** Extra parameters to include in cache key */
+  extraParams: Record<string, unknown> = {}
+) => {
+  let cacheKey = `${props.id}-${props.updatedAt}`;
+  if (Object.keys(extraParams).length > 0) {
+    // Ensure JSON object has consistent stringification
+    const canon = canonicalize(extraParams);
+    // Hash the stringified JSON object
+    const hash = md5.hash(JSON.stringify(canon));
+    // Append the hash to the cache key to keep the key semi-human-readable
+    cacheKey = `${cacheKey}-${hash}`;
+  }
+  return cacheKey;
+};
diff --git a/packages/geoprocessing/src/util/index.ts b/packages/geoprocessing/src/util/index.ts
index ebaafd99dd..46e3cd8349 100644
--- a/packages/geoprocessing/src/util/index.ts
+++ b/packages/geoprocessing/src/util/index.ts
@@ -1 +1,2 @@
 export * from "./genRandomPolygons.js";
+export * from "./genTaskCacheKey.js";