diff --git a/plugins/amazonq/shared/jetbrains-community/src/software/aws/toolkits/jetbrains/services/amazonq/lsp/artifacts/ArtifactHelper.kt b/plugins/amazonq/shared/jetbrains-community/src/software/aws/toolkits/jetbrains/services/amazonq/lsp/artifacts/ArtifactHelper.kt
index 171bbfad041..97f2db11fed 100644
--- a/plugins/amazonq/shared/jetbrains-community/src/software/aws/toolkits/jetbrains/services/amazonq/lsp/artifacts/ArtifactHelper.kt
+++ b/plugins/amazonq/shared/jetbrains-community/src/software/aws/toolkits/jetbrains/services/amazonq/lsp/artifacts/ArtifactHelper.kt
@@ -71,7 +71,7 @@ class ArtifactHelper(private val lspArtifactsPath: Path = DEFAULT_ARTIFACT_PATH,
         return localFolders
             .mapNotNull { localFolder ->
                 SemVer.parseFromText(localFolder.fileName.toString())?.let { semVer ->
-                    if (semVer in manifestVersionRanges.startVersion..manifestVersionRanges.endVersion) {
+                    if (semVer >= manifestVersionRanges.startVersion && semVer < manifestVersionRanges.endVersion) {
                         localFolder to semVer
                     } else {
                         null
diff --git a/plugins/amazonq/shared/jetbrains-community/src/software/aws/toolkits/jetbrains/services/amazonq/lsp/artifacts/ArtifactManager.kt b/plugins/amazonq/shared/jetbrains-community/src/software/aws/toolkits/jetbrains/services/amazonq/lsp/artifacts/ArtifactManager.kt
index b1c929e1aee..8fc8d068348 100644
--- a/plugins/amazonq/shared/jetbrains-community/src/software/aws/toolkits/jetbrains/services/amazonq/lsp/artifacts/ArtifactManager.kt
+++ b/plugins/amazonq/shared/jetbrains-community/src/software/aws/toolkits/jetbrains/services/amazonq/lsp/artifacts/ArtifactManager.kt
@@ -100,7 +100,7 @@ class ArtifactManager @NonInjectable internal constructor(private val manifestFe
                 SemVer.parseFromText(serverVersion)?.let { semVer ->
                     when {
                         version.isDelisted != false -> Pair(version, true) // Is deListed
-                        semVer in DEFAULT_VERSION_RANGE.let { it.startVersion..it.endVersion } -> Pair(version, false) // Is in range
+                        (semVer >= DEFAULT_VERSION_RANGE.startVersion && semVer < DEFAULT_VERSION_RANGE.endVersion) -> Pair(version, false) // Is in range
                         else -> null
                     }
                 }
diff --git a/plugins/amazonq/shared/jetbrains-community/tst/software/aws/toolkits/jetbrains/services/amazonq/lsp/artifacts/ArtifactHelperTest.kt b/plugins/amazonq/shared/jetbrains-community/tst/software/aws/toolkits/jetbrains/services/amazonq/lsp/artifacts/ArtifactHelperTest.kt
index cd061a2473a..367e2a31a97 100644
--- a/plugins/amazonq/shared/jetbrains-community/tst/software/aws/toolkits/jetbrains/services/amazonq/lsp/artifacts/ArtifactHelperTest.kt
+++ b/plugins/amazonq/shared/jetbrains-community/tst/software/aws/toolkits/jetbrains/services/amazonq/lsp/artifacts/ArtifactHelperTest.kt
@@ -101,6 +101,7 @@ class ArtifactHelperTest {
         tempDir.resolve("1.0.0").createDirectories()
         tempDir.resolve("1.0.1").createDirectories()
         tempDir.resolve("1.0.2").createDirectories()
+
         manifestVersionRanges = SupportedManifestVersionRange(
             startVersion = SemVer("1.0.0", 1, 0, 0),
             endVersion = SemVer("2.0.0", 2, 0, 0)
@@ -112,6 +113,21 @@ class ArtifactHelperTest {
         assertThat(actualResult.first().first.fileName.toString()).isEqualTo("1.0.2")
     }
 
+    @Test
+    fun `getAllLocalLspArtifactsWithinManifestRange does not return end major version path`() {
+        tempDir.resolve("1.0.0").createDirectories()
+        tempDir.resolve("2.0.0").createDirectories()
+        manifestVersionRanges = SupportedManifestVersionRange(
+            startVersion = SemVer("1.0.0", 1, 0, 0),
+            endVersion = SemVer("2.0.0", 2, 0, 0)
+        )
+
+        val actualResult = artifactHelper.getAllLocalLspArtifactsWithinManifestRange(manifestVersionRanges)
+        assertThat(actualResult).isNotNull()
+        assertThat(actualResult.size).isEqualTo(1)
+        assertThat(actualResult.first().first.fileName.toString()).isNotEqualTo("2.0.0")
+    }
+
     @Test
     fun `getExistingLspArtifacts should find all the artifacts`() {
         val version1Dir = tempDir.resolve("1.0.0").apply { toFile().mkdirs() }
diff --git a/plugins/amazonq/shared/jetbrains-community/tst/software/aws/toolkits/jetbrains/services/amazonq/lsp/artifacts/ArtifactManagerTest.kt b/plugins/amazonq/shared/jetbrains-community/tst/software/aws/toolkits/jetbrains/services/amazonq/lsp/artifacts/ArtifactManagerTest.kt
index e16f102fbc6..b97625e994e 100644
--- a/plugins/amazonq/shared/jetbrains-community/tst/software/aws/toolkits/jetbrains/services/amazonq/lsp/artifacts/ArtifactManagerTest.kt
+++ b/plugins/amazonq/shared/jetbrains-community/tst/software/aws/toolkits/jetbrains/services/amazonq/lsp/artifacts/ArtifactManagerTest.kt
@@ -76,6 +76,13 @@ class ArtifactManagerTest {
             .hasFieldOrPropertyWithValue("errorCode", LspException.ErrorCode.NO_COMPATIBLE_LSP_VERSION)
     }
 
+    @Test
+    fun `getLSPVersionsFromManifestWithSpecifiedRange excludes end major version`() = runTest {
+        val newManifest = Manifest(versions = listOf(Version(serverVersion = "2.0.0")))
+        val result = artifactManager.getLSPVersionsFromManifestWithSpecifiedRange(newManifest)
+        assertThat(result.inRangeVersions).isEmpty()
+    }
+
     @Test
     fun `fetch artifact if inRangeVersions are not available should fallback to local lsp`() = runTest {
         val expectedResult = listOf(Pair(tempDir, SemVer("1.0.0", 1, 0, 0)))