diff --git a/AlphaFold2.ipynb b/AlphaFold2.ipynb
index 7f0e9d3b..384455b4 100644
--- a/AlphaFold2.ipynb
+++ b/AlphaFold2.ipynb
@@ -35,7 +35,7 @@
         "colab_type": "text"
       },
       "source": [
-        "<a href=\"https://colab.research.google.com/github/sokrypton/ColabFold/blob/main/AlphaFold2.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
+        "<a href=\"https://colab.research.google.com/github/sokrypton/ColabFold/blob/v1.5.1/AlphaFold2.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
       ]
     },
     {
@@ -144,7 +144,7 @@
         "  echo \"installing colabfold...\"\n",
         "  # install dependencies\n",
         "  # We have to use \"--no-warn-conflicts\" because colab already has a lot preinstalled with requirements different to ours\n",
-        "  pip install -q --no-warn-conflicts \"colabfold[alphafold-minus-jax] @ git+https://github.com/sokrypton/ColabFold\"\n",
+        "  pip install -q --no-warn-conflicts \"colabfold[alphafold-minus-jax] @ git+https://github.com/sokrypton/ColabFold@v1.5.1\"\n",
         "  # high risk high gain\n",
         "  pip install -q \"jax[cuda11_cudnn805]>=0.3.8,<0.4\" -f https://storage.googleapis.com/jax-releases/jax_releases.html\n",
         "\n",
diff --git a/README.md b/README.md
index 01fb3a18..1114fe89 100644
--- a/README.md
+++ b/README.md
@@ -12,8 +12,8 @@ For details of what was changed in v1.5, see [change log](https://github.com/sok
 
 | Notebooks | monomers | complexes | mmseqs2 | jackhmmer | templates   |
 | :-------- | -------  | --------- | ------- | --------- | ----------- |
-| [AlphaFold2_mmseqs2](https://colab.research.google.com/github/sokrypton/ColabFold/blob/main/AlphaFold2.ipynb) | Yes | Yes | Yes | No | Yes | 
-| [AlphaFold2_batch](https://colab.research.google.com/github/sokrypton/ColabFold/blob/main/batch/AlphaFold2_batch.ipynb) | Yes | Yes | Yes | No | Yes | 
+| [AlphaFold2_mmseqs2](https://colab.research.google.com/github/sokrypton/ColabFold/blob/v1.5.1/AlphaFold2.ipynb) | Yes | Yes | Yes | No | Yes | 
+| [AlphaFold2_batch](https://colab.research.google.com/github/sokrypton/ColabFold/blob/v1.5.1/batch/AlphaFold2_batch.ipynb) | Yes | Yes | Yes | No | Yes | 
 | [RoseTTAFold](https://colab.research.google.com/github/sokrypton/ColabFold/blob/main/RoseTTAFold.ipynb) | Yes | No | Yes | No | No | 
 | [AlphaFold2](https://colab.research.google.com/github/deepmind/alphafold/blob/main/notebooks/AlphaFold.ipynb) (from Deepmind) | Yes | Yes | No | Yes | No | 
 | [ESMFold](https://colab.research.google.com/github/sokrypton/ColabFold/blob/main/ESMFold.ipynb) | Yes | Maybe | No | No| No |
diff --git a/batch/AlphaFold2_batch.ipynb b/batch/AlphaFold2_batch.ipynb
index a423e778..2a4e48db 100644
--- a/batch/AlphaFold2_batch.ipynb
+++ b/batch/AlphaFold2_batch.ipynb
@@ -26,7 +26,7 @@
         "colab_type": "text"
       },
       "source": [
-        "<a href=\"https://colab.research.google.com/github/sokrypton/ColabFold/blob/main/batch/AlphaFold2_batch.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
+        "<a href=\"https://colab.research.google.com/github/sokrypton/ColabFold/blob/v1.5.1/batch/AlphaFold2_batch.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
       ]
     },
     {
@@ -119,7 +119,7 @@
         "if [ ! -f COLABFOLD_READY ]; then\n",
         "  # install dependencies\n",
         "  # We have to use \"--no-warn-conflicts\" because colab already has a lot preinstalled with requirements different to ours\n",
-        "  pip install -q --no-warn-conflicts \"colabfold[alphafold-minus-jax] @ git+https://github.com/sokrypton/ColabFold\"\n",
+        "  pip install -q --no-warn-conflicts \"colabfold[alphafold-minus-jax] @ git+https://github.com/sokrypton/ColabFold@v1.5.1\"\n",
         "  # high risk high gain\n",
         "  pip install -q \"jax[cuda11_cudnn805]>=0.3.8,<0.4\" -f https://storage.googleapis.com/jax-releases/jax_releases.html\n",
         "  touch COLABFOLD_READY\n",