diff --git a/src/compiler/types.ts b/src/compiler/types.ts
index 330aa5b511f..3b387d6ec1e 100644
--- a/src/compiler/types.ts
+++ b/src/compiler/types.ts
@@ -6458,7 +6458,7 @@ namespace ts {
         readonly includeCompletionsForModuleExports?: boolean;
         readonly includeAutomaticOptionalChainCompletions?: boolean;
         readonly includeCompletionsWithInsertText?: boolean;
-        readonly importModuleSpecifierPreference?: "relative" | "non-relative";
+        readonly importModuleSpecifierPreference?: "auto" | "relative" | "non-relative";
         /** Determines whether we import `foo/index.ts` as "foo", "foo/index", or "foo/index.js" */
         readonly importModuleSpecifierEnding?: "minimal" | "index" | "js";
         readonly allowTextChangesInNewFiles?: boolean;
diff --git a/src/server/protocol.ts b/src/server/protocol.ts
index 925e7638f9d..b91f7f4708f 100644
--- a/src/server/protocol.ts
+++ b/src/server/protocol.ts
@@ -3013,7 +3013,7 @@ namespace ts.server.protocol {
          * values, with insertion text to replace preceding `.` tokens with `?.`.
          */
         readonly includeAutomaticOptionalChainCompletions?: boolean;
-        readonly importModuleSpecifierPreference?: "relative" | "non-relative";
+        readonly importModuleSpecifierPreference?: "auto" | "relative" | "non-relative";
         readonly allowTextChangesInNewFiles?: boolean;
         readonly lazyConfiguredProjectsFromExternalProject?: boolean;
         readonly providePrefixAndSuffixTextForRename?: boolean;
diff --git a/tests/baselines/reference/api/tsserverlibrary.d.ts b/tests/baselines/reference/api/tsserverlibrary.d.ts
index c156e655b81..94c856cfd04 100644
--- a/tests/baselines/reference/api/tsserverlibrary.d.ts
+++ b/tests/baselines/reference/api/tsserverlibrary.d.ts
@@ -3174,7 +3174,7 @@ declare namespace ts {
         readonly includeCompletionsForModuleExports?: boolean;
         readonly includeAutomaticOptionalChainCompletions?: boolean;
         readonly includeCompletionsWithInsertText?: boolean;
-        readonly importModuleSpecifierPreference?: "relative" | "non-relative";
+        readonly importModuleSpecifierPreference?: "auto" | "relative" | "non-relative";
         /** Determines whether we import `foo/index.ts` as "foo", "foo/index", or "foo/index.js" */
         readonly importModuleSpecifierEnding?: "minimal" | "index" | "js";
         readonly allowTextChangesInNewFiles?: boolean;
@@ -8304,7 +8304,7 @@ declare namespace ts.server.protocol {
          * values, with insertion text to replace preceding `.` tokens with `?.`.
          */
         readonly includeAutomaticOptionalChainCompletions?: boolean;
-        readonly importModuleSpecifierPreference?: "relative" | "non-relative";
+        readonly importModuleSpecifierPreference?: "auto" | "relative" | "non-relative";
         readonly allowTextChangesInNewFiles?: boolean;
         readonly lazyConfiguredProjectsFromExternalProject?: boolean;
         readonly providePrefixAndSuffixTextForRename?: boolean;
diff --git a/tests/baselines/reference/api/typescript.d.ts b/tests/baselines/reference/api/typescript.d.ts
index 77516a9c360..433217ee422 100644
--- a/tests/baselines/reference/api/typescript.d.ts
+++ b/tests/baselines/reference/api/typescript.d.ts
@@ -3174,7 +3174,7 @@ declare namespace ts {
         readonly includeCompletionsForModuleExports?: boolean;
         readonly includeAutomaticOptionalChainCompletions?: boolean;
         readonly includeCompletionsWithInsertText?: boolean;
-        readonly importModuleSpecifierPreference?: "relative" | "non-relative";
+        readonly importModuleSpecifierPreference?: "auto" | "relative" | "non-relative";
         /** Determines whether we import `foo/index.ts` as "foo", "foo/index", or "foo/index.js" */
         readonly importModuleSpecifierEnding?: "minimal" | "index" | "js";
         readonly allowTextChangesInNewFiles?: boolean;
diff --git a/tests/cases/fourslash/fourslash.ts b/tests/cases/fourslash/fourslash.ts
index cd184df3bed..d93ad08ed07 100644
--- a/tests/cases/fourslash/fourslash.ts
+++ b/tests/cases/fourslash/fourslash.ts
@@ -584,7 +584,7 @@ declare namespace FourSlashInterface {
         readonly includeCompletionsForModuleExports?: boolean;
         readonly includeInsertTextCompletions?: boolean;
         readonly includeAutomaticOptionalChainCompletions?: boolean;
-        readonly importModuleSpecifierPreference?: "relative" | "non-relative";
+        readonly importModuleSpecifierPreference?: "auto" | "relative" | "non-relative";
         readonly importModuleSpecifierEnding?: "minimal" | "index" | "js";
     }
     interface CompletionsOptions {