diff --git a/src/components/Pacs/PacsApp.tsx b/src/components/Pacs/PacsApp.tsx
index fb1f2c15d..8372e3fea 100644
--- a/src/components/Pacs/PacsApp.tsx
+++ b/src/components/Pacs/PacsApp.tsx
@@ -4,15 +4,15 @@
  * manages effects and state.
  */
 
-import { PageSection } from "@patternfly/react-core";
-import config from "config";
-import { useEffect, useState } from "react";
 import {
   genUUID,
   getState,
   type ThunkModuleToFunc,
   useThunk,
-} from "react-reducer-utils";
+} from "@chhsiao1981/use-thunk";
+import { PageSection } from "@patternfly/react-core";
+import config from "config";
+import { useEffect, useState } from "react";
 import { useLocation, useSearchParams } from "react-router-dom";
 import { sanitizeAPIRootURL } from "../../api/api.ts";
 import type { Lonk, LonkMessageData } from "../../api/lonk/types.ts";
diff --git a/src/components/Pacs/PacsView.tsx b/src/components/Pacs/PacsView.tsx
index e3bc8f143..4685b0931 100644
--- a/src/components/Pacs/PacsView.tsx
+++ b/src/components/Pacs/PacsView.tsx
@@ -1,6 +1,9 @@
+import type {
+  DispatchFuncMap,
+  ThunkModuleToFunc,
+} from "@chhsiao1981/use-thunk";
 import { Empty, Flex, Spin, Typography } from "antd";
 import type { CSSProperties } from "react";
-import type { DispatchFuncMap, ModuleToFunc } from "react-reducer-utils";
 import type { PACSqueryCore } from "../../api/pfdcm";
 import type * as DoPacs from "../../reducers/pacs";
 import PacsInput, {
@@ -11,7 +14,7 @@ import PacsStudiesView, {
 } from "./components/PacsStudiesView.tsx";
 import type { PacsState } from "./types.ts";
 
-type TDoPacs = ModuleToFunc<typeof DoPacs>;
+type TDoPacs = ThunkModuleToFunc<typeof DoPacs>;
 
 type Props = Pick<PacsInputProps, "services" | "onSubmit"> &
   Pick<PacsStudiesViewProps, "expandedStudyUids"> & {
diff --git a/src/reducers/pacs.ts b/src/reducers/pacs.ts
index 9c381c221..0f84f94b0 100644
--- a/src/reducers/pacs.ts
+++ b/src/reducers/pacs.ts
@@ -1,5 +1,3 @@
-import config from "config";
-import type { ReadonlyNonEmptyArray } from "fp-ts/lib/ReadonlyNonEmptyArray";
 import {
   init as _init,
   type ClassState,
@@ -8,7 +6,9 @@ import {
   type State as rState,
   setData,
   type Thunk,
-} from "react-reducer-utils";
+} from "@chhsiao1981/use-thunk";
+import config from "config";
+import type { ReadonlyNonEmptyArray } from "fp-ts/lib/ReadonlyNonEmptyArray";
 import type { Location } from "react-router";
 import { STATUS_OK, STATUS_OK_CREATE } from "../api/constants";
 import type { SeriesKey } from "../api/lonk";
diff --git a/src/routes.tsx b/src/routes.tsx
index 0872e54ec..98f5836a9 100644
--- a/src/routes.tsx
+++ b/src/routes.tsx
@@ -1,5 +1,4 @@
 import { useEffect, useState } from "react";
-import type { ModuleToFunc } from "react-reducer-utils";
 import {
   matchPath,
   useLocation,
@@ -26,12 +25,9 @@ import {
 } from "./components/Routing/RouterContext";
 import Signup from "./components/Signup";
 import SinglePlugin from "./components/SinglePlugin";
-import type * as DoPacs from "./reducers/pacs";
 import { useAppDispatch, useAppSelector } from "./store/hooks";
 import { setSidebarActive } from "./store/ui/uiSlice";
 
-type TDoPacs = ModuleToFunc<typeof DoPacs>;
-
 interface IState {
   selectData?: Series;
 }