diff --git a/.test-conda-env-py3-requirements.txt b/.test-conda-env-py3-requirements.txt
index fa6c042636713d94361fb116af2afb80e4d9097e..ca98429f27c85d7a3a5e2c216672b2a46e8b34b5 100644
--- a/.test-conda-env-py3-requirements.txt
+++ b/.test-conda-env-py3-requirements.txt
@@ -1,5 +1,5 @@
 git+https://gitlab.tiker.net/inducer/boxtree
 git+https://github.com/inducer/pymbolic
-git+https://github.com/inducer/loopy
+git+https://gitlab.tiker.net/inducer/loopy@kernel_callables_v3
 git+https://gitlab.tiker.net/inducer/sumpy
 git+https://github.com/inducer/meshmode
diff --git a/requirements.txt b/requirements.txt
index 8925c34ed4f7ccd7426bf4b153b8864bc3e77106..dbbd8170045cecf5231556edb540a3e940a5943e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ sympy==1.0
 git+https://github.com/inducer/modepy
 git+https://github.com/inducer/pyopencl
 git+https://github.com/inducer/islpy
-git+https://github.com/inducer/loopy
+git+https://gitlab.tiker.net/inducer/loopy@kernel_callables_v3
 git+https://gitlab.tiker.net/inducer/boxtree
 git+https://github.com/inducer/meshmode
 git+https://gitlab.tiker.net/inducer/sumpy