diff --git a/extensions/ql-vscode/src/common/disposable-object.ts b/extensions/ql-vscode/src/common/disposable-object.ts
index 96af15ac0c1..8c4cfd4950f 100644
--- a/extensions/ql-vscode/src/common/disposable-object.ts
+++ b/extensions/ql-vscode/src/common/disposable-object.ts
@@ -1,7 +1,7 @@
 // Avoid explicitly referencing Disposable type in vscode.
 // This file cannot have dependencies on the vscode API.
 export interface Disposable {
-  dispose(): any;
+  dispose(): unknown;
 }
 
 export type DisposeHandler = (disposable: Disposable) => void;
diff --git a/extensions/ql-vscode/src/common/vscode/telemetry.ts b/extensions/ql-vscode/src/common/vscode/telemetry.ts
index ebad18a885f..8291d07eda4 100644
--- a/extensions/ql-vscode/src/common/vscode/telemetry.ts
+++ b/extensions/ql-vscode/src/common/vscode/telemetry.ts
@@ -293,7 +293,7 @@ export class ExtensionTelemetryListener
 export let telemetryListener: ExtensionTelemetryListener | undefined;
 
 export async function initializeTelemetry(
-  extension: Extension<any>,
+  extension: Extension<unknown>,
   ctx: ExtensionContext,
 ): Promise<ExtensionTelemetryListener> {
   if (telemetryListener !== undefined) {
diff --git a/extensions/ql-vscode/src/debugger/debug-session.ts b/extensions/ql-vscode/src/debugger/debug-session.ts
index 088b28fcbed..1a51df30a30 100644
--- a/extensions/ql-vscode/src/debugger/debug-session.ts
+++ b/extensions/ql-vscode/src/debugger/debug-session.ts
@@ -504,7 +504,7 @@ export class QLDebugSession extends LoggingDebugSession implements Disposable {
   protected customRequest(
     command: string,
     response: CodeQLProtocol.Response,
-    args: any,
+    args: unknown,
     request?: Protocol.Request,
   ): void {
     switch (command) {
diff --git a/extensions/ql-vscode/src/query-server/query-runner.ts b/extensions/ql-vscode/src/query-server/query-runner.ts
index 85dd0a39449..166d149d2ee 100644
--- a/extensions/ql-vscode/src/query-server/query-runner.ts
+++ b/extensions/ql-vscode/src/query-server/query-runner.ts
@@ -130,7 +130,7 @@ export class QueryRunner {
     query: CoreQueryTarget,
     additionalPacks: string[],
     extensionPacks: string[] | undefined,
-    additionalRunQueryArgs: Record<string, any>,
+    additionalRunQueryArgs: Record<string, unknown>,
     generateEvalLog: boolean,
     outputDir: QueryOutputDir,
     progress: ProgressCallback,
@@ -216,7 +216,7 @@ export class QueryRunner {
     generateEvalLog: boolean,
     additionalPacks: string[],
     extensionPacks: string[] | undefined,
-    additionalRunQueryArgs: Record<string, any>,
+    additionalRunQueryArgs: Record<string, unknown>,
     queryStorageDir: string,
     id = `${basename(query.queryPath)}-${nanoid()}`,
     templates: Record<string, string> | undefined,
diff --git a/extensions/ql-vscode/src/query-server/run-queries.ts b/extensions/ql-vscode/src/query-server/run-queries.ts
index 8e20cee830b..593979118e7 100644
--- a/extensions/ql-vscode/src/query-server/run-queries.ts
+++ b/extensions/ql-vscode/src/query-server/run-queries.ts
@@ -28,7 +28,7 @@ export async function compileAndRunQueryAgainstDatabaseCore(
   generateEvalLog: boolean,
   additionalPacks: string[],
   extensionPacks: string[] | undefined,
-  additionalRunQueryArgs: Record<string, any>,
+  additionalRunQueryArgs: Record<string, unknown>,
   outputDir: QueryOutputDir,
   progress: ProgressCallback,
   token: CancellationToken,