diff --git a/README.md b/README.md
index 0b2f695..1003404 100644
--- a/README.md
+++ b/README.md
@@ -32,13 +32,14 @@
 
 <!-- configs -->
 
-| Key                              | Description                                           | Type      | Default             |
-| -------------------------------- | ----------------------------------------------------- | --------- | ------------------- |
-| `npmx.hover.enabled`             | Enable hover information for packages                 | `boolean` | `true`              |
-| `npmx.completion.version`        | Version completion behavior                           | `string`  | `"provenance-only"` |
-| `npmx.diagnostics.deprecation`   | Show warnings for deprecated packages                 | `boolean` | `true`              |
-| `npmx.diagnostics.replacement`   | Show suggestions for package replacements             | `boolean` | `true`              |
-| `npmx.diagnostics.vulnerability` | Show warnings for packages with known vulnerabilities | `boolean` | `true`              |
+| Key                                 | Description                                                                       | Type      | Default             |
+| ----------------------------------- | --------------------------------------------------------------------------------- | --------- | ------------------- |
+| `npmx.hover.enabled`                | Enable hover information for packages                                             | `boolean` | `true`              |
+| `npmx.completion.version`           | Version completion behavior                                                       | `string`  | `"provenance-only"` |
+| `npmx.completion.excludePrerelease` | Exclude prerelease versions (alpha, beta, rc, canary) from completion suggestions | `boolean` | `true`              |
+| `npmx.diagnostics.deprecation`      | Show warnings for deprecated packages                                             | `boolean` | `true`              |
+| `npmx.diagnostics.replacement`      | Show suggestions for package replacements                                         | `boolean` | `true`              |
+| `npmx.diagnostics.vulnerability`    | Show warnings for packages with known vulnerabilities                             | `boolean` | `true`              |
 
 <!-- configs -->
 
diff --git a/package.json b/package.json
index fda4ffd..7ee4077 100644
--- a/package.json
+++ b/package.json
@@ -51,7 +51,11 @@
         },
         "npmx.completion.version": {
           "type": "string",
-          "enum": ["all", "provenance-only", "off"],
+          "enum": [
+            "all",
+            "provenance-only",
+            "off"
+          ],
           "enumDescriptions": [
             "Show all versions",
             "Show only versions with provenance",
@@ -60,6 +64,11 @@
           "default": "provenance-only",
           "description": "Version completion behavior"
         },
+        "npmx.completion.excludePrerelease": {
+          "type": "boolean",
+          "default": true,
+          "description": "Exclude prerelease versions (alpha, beta, rc, canary) from completion suggestions"
+        },
         "npmx.diagnostics.deprecation": {
           "type": "boolean",
           "default": true,
diff --git a/src/constants.ts b/src/constants.ts
index ddeedac..384f32a 100644
--- a/src/constants.ts
+++ b/src/constants.ts
@@ -5,6 +5,7 @@ export const PACKAGE_JSON_PATTERN = `**/${PACKAGE_JSON_BASENAME}`
 export const PNPM_WORKSPACE_PATTERN = `**/${PNPM_WORKSPACE_BASENAME}`
 
 export const VERSION_TRIGGER_CHARACTERS = [':', '^', '~', '.', ...Array.from({ length: 10 }).map((_, i) => `${i}`)]
+export const PRERELEASE_PATTERN = /-.+/
 
 export const CACHE_TTL_ONE_DAY = 1000 * 60 * 60 * 24
 
diff --git a/src/providers/completion-item/version.ts b/src/providers/completion-item/version.ts
index 19cff1f..d01006f 100644
--- a/src/providers/completion-item/version.ts
+++ b/src/providers/completion-item/version.ts
@@ -1,5 +1,6 @@
 import type { Extractor } from '#types/extractor'
 import type { CompletionItemProvider, Position, TextDocument } from 'vscode'
+import { PRERELEASE_PATTERN } from '#constants'
 import { config } from '#state'
 import { getPackageInfo } from '#utils/api/package'
 import { formatVersion, parseVersion } from '#utils/package'
@@ -41,6 +42,12 @@ export class VersionCompletionItemProvider<T extends Extractor> implements Compl
     for (const semver in pkg.versionsMeta) {
       const meta = pkg.versionsMeta[semver]
 
+      if (meta.deprecated != null)
+        continue
+
+      if (config.completion.excludePrerelease && PRERELEASE_PATTERN.test(semver))
+        continue
+
       if (config.completion.version === 'provenance-only' && !meta.provenance)
         continue