diff --git a/packages/haystack/src/client.ts b/packages/haystack/src/client.ts
index bf4925c..5dd84ad 100644
--- a/packages/haystack/src/client.ts
+++ b/packages/haystack/src/client.ts
@@ -167,11 +167,10 @@ export class RouterClient {
       )
     }
 
-    // Conditionally include deprecated protocols in disabled list
-    // If _allowNonComposableSwaps is true, only exclude Tinyman v1 from auto-disabled list
-    // Otherwise, always include all deprecated protocols (Tinyman v1, Humble)
+    // Always disable the deprecated protocols (Tinyman v1), unless
+    // _allowNonComposableSwaps opts into Tinyman v1
     const allDisabledProtocols = _allowNonComposableSwaps
-      ? [...new Set(['Humble', ...disabledProtocols])]
+      ? [...new Set(disabledProtocols)]
       : [...new Set([...DEPRECATED_PROTOCOLS, ...disabledProtocols])]
 
     let includeOptIn = optIn
diff --git a/packages/haystack/src/constants.ts b/packages/haystack/src/constants.ts
index 52753a6..df40d0e 100644
--- a/packages/haystack/src/constants.ts
+++ b/packages/haystack/src/constants.ts
@@ -3,6 +3,7 @@
  */
 export enum Protocol {
   TinymanV2 = 'TinymanV2',
+  Humble = 'Humble',
   Algofi = 'Algofi',
   Algomint = 'Algomint',
   Pact = 'Pact',
@@ -15,7 +16,7 @@ export enum Protocol {
  *
  * @internal
  */
-export const DEPRECATED_PROTOCOLS = ['Humble', 'Tinyman'] as const
+export const DEPRECATED_PROTOCOLS = ['Tinyman'] as const
 
 /** Default Algod node URI for mainnet */
 export const DEFAULT_ALGOD_URI = 'https://mainnet-api.4160.nodely.dev/'
diff --git a/packages/haystack/tests/client.test.ts b/packages/haystack/tests/client.test.ts
index ec7ad6f..f2c3b94 100644
--- a/packages/haystack/tests/client.test.ts
+++ b/packages/haystack/tests/client.test.ts
@@ -163,9 +163,7 @@ describe('RouterClient', () => {
       expect(callUrl).toContain('toASAID=31566704')
       expect(callUrl).toContain('amount=1000000')
       expect(callUrl).toContain('type=fixed-output')
-      expect(callUrl).toContain(
-        'disabledProtocols=Humble%2CTinyman%2CTinymanV2',
-      )
+      expect(callUrl).toContain('disabledProtocols=Tinyman%2CTinymanV2')
       expect(callUrl).toContain('maxGroupSize=12')
       expect(callUrl).toContain('maxDepth=3')
       expect(callUrl).toContain('optIn=true')
@@ -190,8 +188,8 @@ describe('RouterClient', () => {
       })
 
       const callUrl = mockRequest.mock.calls?.[0]?.[0] as string
-      expect(callUrl).toContain('Humble')
-      expect(callUrl).toContain('Tinyman')
+      expect(callUrl).toContain('disabledProtocols=Tinyman&')
+      expect(callUrl).not.toContain('Humble')
     })
 
     it('should use custom apiBaseUrl when provided', async () => {
@@ -540,8 +538,7 @@ describe('RouterClient', () => {
         const callUrl = mockRequest.mock.calls?.[0]?.[0] as string
         // Should NOT include Tinyman when _allowNonComposableSwaps is true
         expect(callUrl).not.toContain('Tinyman')
-        // Should still include Humble
-        expect(callUrl).toContain('Humble')
+        expect(callUrl).not.toContain('Humble')
       })
 
       it('should include deprecated protocols by default when _allowNonComposableSwaps is false', async () => {
@@ -566,7 +563,7 @@ describe('RouterClient', () => {
         const callUrl = mockRequest.mock.calls?.[0]?.[0] as string
         // Should include deprecated protocols
         expect(callUrl).toContain('Tinyman')
-        expect(callUrl).toContain('Humble')
+        expect(callUrl).not.toContain('Humble')
       })
 
       it('should throw error when _allowNonComposableSwaps is used with optIn: true', async () => {
diff --git a/packages/haystack/tests/constants.test.ts b/packages/haystack/tests/constants.test.ts
index 441ece1..3ac977b 100644
--- a/packages/haystack/tests/constants.test.ts
+++ b/packages/haystack/tests/constants.test.ts
@@ -18,6 +18,7 @@ describe('constants', () => {
   describe('Protocol enum', () => {
     it('should have expected protocol values', () => {
       expect(Protocol.TinymanV2).toBe('TinymanV2')
+      expect(Protocol.Humble).toBe('Humble')
       expect(Protocol.Algofi).toBe('Algofi')
       expect(Protocol.Algomint).toBe('Algomint')
       expect(Protocol.Pact).toBe('Pact')
@@ -25,20 +26,20 @@ describe('constants', () => {
       expect(Protocol.TAlgo).toBe('TAlgo')
     })
 
-    it('should have exactly 6 protocols', () => {
+    it('should have exactly 7 protocols', () => {
       const protocols = Object.values(Protocol)
-      expect(protocols).toHaveLength(6)
+      expect(protocols).toHaveLength(7)
     })
   })
 
   describe('DEPRECATED_PROTOCOLS', () => {
-    it('should include Humble and Tinyman', () => {
-      expect(DEPRECATED_PROTOCOLS).toContain('Humble')
+    it('should include Tinyman but not Humble', () => {
       expect(DEPRECATED_PROTOCOLS).toContain('Tinyman')
+      expect(DEPRECATED_PROTOCOLS).not.toContain('Humble')
     })
 
-    it('should have exactly 2 deprecated protocols', () => {
-      expect(DEPRECATED_PROTOCOLS).toHaveLength(2)
+    it('should have exactly 1 deprecated protocol', () => {
+      expect(DEPRECATED_PROTOCOLS).toHaveLength(1)
     })
 
     it('should be a readonly array', () => {