diff --git a/pkgs/pixell/meta.yaml b/pkgs/pixell/meta.yaml
index feddc3d..d5581a3 100644
--- a/pkgs/pixell/meta.yaml
+++ b/pkgs/pixell/meta.yaml
@@ -8,7 +8,7 @@ package:
   version: {{ version }}
 
 source:
-  url: https://github.com/simonsobs/pixell/archive/v{{ version }}.tar.gz
+  url: https://github.com/simonsobs/pixell/archive/refs/tags/v{{ version }}.tar.gz
   sha256: {{ sha256 }}
   patches:
     - qsort_const.patch
diff --git a/pkgs/qpoint/meta.yaml b/pkgs/qpoint/meta.yaml
index 22563bc..0b46dac 100644
--- a/pkgs/qpoint/meta.yaml
+++ b/pkgs/qpoint/meta.yaml
@@ -8,7 +8,7 @@ package:
   version: {{ version }}
 
 source:
-  url: https://github.com/arahlin/qpoint/archive/{{ version }}.tar.gz
+  url: https://github.com/arahlin/qpoint/archive/refs/tags/{{ version }}.tar.gz
   sha256: {{ sha256 }}
 
 build:
diff --git a/pkgs/so3g/meta.yaml b/pkgs/so3g/meta.yaml
index ebe737f..05e5ca0 100644
--- a/pkgs/so3g/meta.yaml
+++ b/pkgs/so3g/meta.yaml
@@ -8,7 +8,7 @@ package:
   version: {{ version }}
 
 source:
-  url: https://github.com/simonsobs/so3g/archive/v{{ version }}.tar.gz
+  url: https://github.com/simonsobs/so3g/archive/refs/tags/v{{ version }}.tar.gz
   sha256: {{ sha256 }}
   patches:
     - setup_requires.patch
diff --git a/pkgs/zziplib/meta.yaml b/pkgs/zziplib/meta.yaml
index 5bbd154..54da7df 100644
--- a/pkgs/zziplib/meta.yaml
+++ b/pkgs/zziplib/meta.yaml
@@ -8,7 +8,7 @@ package:
   version: {{ version }}
 
 source:
-  url: https://github.com/gdraheim/zziplib/archive/v{{ version }}.tar.gz
+  url: https://github.com/gdraheim/zziplib/archive/refs/tags/v{{ version }}.tar.gz
   sha256: {{ sha256 }}
 
 build: