diff --git a/index.toml b/index.toml
index 17c9618..8cd3c30 100644
--- a/index.toml
+++ b/index.toml
@@ -99,7 +99,7 @@ notebook = "34_Extractive_QA_Pipeline.ipynb"
 aliases = []
 completion_time = "10 min"
 created_at = 2024-02-09
-dependencies = ["accelerate", "sentence-transformers", "datasets"]
+dependencies = ["accelerate", "sentence-transformers", "datasets", "transformers<5"]
 
 [[tutorial]]
 title = "Evaluating RAG Pipelines"
@@ -169,7 +169,7 @@ notebook = "41_Query_Classification_with_TransformersTextRouter_and_Transformers
 aliases = []
 completion_time = "25 min"
 created_at = 2024-10-15
-dependencies = ["sentence-transformers>=4.1.0", "gradio", "torch", "sentencepiece", "datasets", "accelerate"]
+dependencies = ["sentence-transformers>=4.1.0", "gradio", "torch", "sentencepiece", "datasets", "accelerate", "transformers<5"]
 
 [[tutorial]]
 title = "Retrieving a Context Window Around a Sentence"
@@ -214,7 +214,7 @@ notebook = "44_Creating_Custom_SuperComponents.ipynb"
 aliases = []
 completion_time = "20 min"
 created_at = 2025-04-22
-dependencies = ["sentence-transformers>=4.1.0", "datasets", "accelerate"]
+dependencies = ["sentence-transformers>=4.1.0", "datasets", "accelerate", "transformers<5"]
 
 [[tutorial]]
 title = "Creating a Multi-Agent System with Haystack"
diff --git a/tutorials/34_Extractive_QA_Pipeline.ipynb b/tutorials/34_Extractive_QA_Pipeline.ipynb
index e594bd9..0d6cf15 100644
--- a/tutorials/34_Extractive_QA_Pipeline.ipynb
+++ b/tutorials/34_Extractive_QA_Pipeline.ipynb
@@ -60,7 +60,7 @@
    "source": [
     "%%bash\n",
     "\n",
-    "pip install haystack-ai accelerate \"sentence-transformers>=4.1.0\" \"datasets>=2.6.1\""
+    "pip install haystack-ai accelerate \"sentence-transformers>=4.1.0\" \"datasets>=2.6.1\" \"transformers<5\""
    ]
   },
   {
@@ -659,4 +659,4 @@
  },
  "nbformat": 4,
  "nbformat_minor": 0
-}
\ No newline at end of file
+}
diff --git a/tutorials/41_Query_Classification_with_TransformersTextRouter_and_TransformersZeroShotTextRouter.ipynb b/tutorials/41_Query_Classification_with_TransformersTextRouter_and_TransformersZeroShotTextRouter.ipynb
index 98a4d39..e79dc2b 100644
--- a/tutorials/41_Query_Classification_with_TransformersTextRouter_and_TransformersZeroShotTextRouter.ipynb
+++ b/tutorials/41_Query_Classification_with_TransformersTextRouter_and_TransformersZeroShotTextRouter.ipynb
@@ -68,7 +68,7 @@
     "%%bash\n",
     "\n",
     "pip install --upgrade pip\n",
-    "pip install haystack-ai torch sentencepiece datasets sentence-transformers"
+    "pip install haystack-ai torch sentencepiece datasets sentence-transformers \"transformers<5\""
    ]
   },
   {
@@ -2704,4 +2704,4 @@
  },
  "nbformat": 4,
  "nbformat_minor": 0
-}
\ No newline at end of file
+}
diff --git a/tutorials/44_Creating_Custom_SuperComponents.ipynb b/tutorials/44_Creating_Custom_SuperComponents.ipynb
index 553b3c8..b298399 100644
--- a/tutorials/44_Creating_Custom_SuperComponents.ipynb
+++ b/tutorials/44_Creating_Custom_SuperComponents.ipynb
@@ -56,7 +56,7 @@
     "%%bash\n",
     "\n",
     "pip install haystack-ai\n",
-    "pip install \"sentence-transformers>=4.1.0\" datasets transformers[torch,sentencepiece]"
+    "pip install \"sentence-transformers>=4.1.0\" datasets \"transformers[torch,sentencepiece]<5\""
    ]
   },
   {
@@ -851,4 +851,4 @@
  },
  "nbformat": 4,
  "nbformat_minor": 0
-}
\ No newline at end of file
+}