diff --git a/INSTALL.md b/INSTALL.md
index d843e74c..7b99be77 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -102,6 +102,7 @@ version_str="".join([
     torch.version.cuda.replace(".",""),
     f"_pyt{pyt_version_str}"
 ])
+!pip install fvcore iopath
 !pip install --no-index --no-cache-dir pytorch3d -f https://dl.fbaipublicfiles.com/pytorch3d/packaging/wheels/{version_str}/download.html
 ```
 
diff --git a/packaging/linux_wheels/README.md b/packaging/linux_wheels/README.md
index 48580f2b..d8871ffb 100644
--- a/packaging/linux_wheels/README.md
+++ b/packaging/linux_wheels/README.md
@@ -26,5 +26,6 @@ version_str="".join([
     torch.version.cuda.replace(".",""),
     f"_pyt{pyt_version_str}"
 ])
+!pip install fvcore iopath
 !pip install --no-index --no-cache-dir pytorch3d -f https://dl.fbaipublicfiles.com/pytorch3d/packaging/wheels/{version_str}/download.html
 ```