diff --git a/meshmode/discretization/__init__.py b/meshmode/discretization/__init__.py
index ac5fdc8ed3a0302485aa9fe4e2391f191bd5d8ce..9fe996a8004467b994a58c9e6d75c5ebfb6fcd5c 100644
--- a/meshmode/discretization/__init__.py
+++ b/meshmode/discretization/__init__.py
@@ -23,11 +23,13 @@ THE SOFTWARE.
 """
 
 import numpy as np
-from pytools import memoize_method, memoize_in
 import loopy as lp
 import pyopencl as cl
 import pyopencl.array  # noqa
 
+from loopy.version import MOST_RECENT_LANGUAGE_VERSION
+from pytools import memoize_method, memoize_in
+
 __doc__ = """
 .. autoclass:: ElementGroupBase
 .. autoclass:: InterpolatoryElementGroupBase
@@ -280,7 +282,8 @@ class Discretization(object):
                     0<=k<nelements and
                     0<=i,j<ndiscr_nodes}""",
                 "result[k,i] = sum(j, diff_mat[i, j] * vec[k, j])",
-                default_offset=lp.auto, name="diff")
+                default_offset=lp.auto, name="diff",
+                lang_version=MOST_RECENT_LANGUAGE_VERSION)
 
             knl = lp.split_iname(knl, "i", 16, inner_tag="l.0")
             return lp.tag_inames(knl, dict(k="g.0"))
@@ -310,7 +313,8 @@ class Discretization(object):
                 "{[k,i]: 0<=k<nelements and 0<=i<ndiscr_nodes}",
                 "result[k,i] = weights[i]",
                 name="quad_weights",
-                default_offset=lp.auto)
+                default_offset=lp.auto,
+                lang_version=MOST_RECENT_LANGUAGE_VERSION)
 
             knl = lp.split_iname(knl, "i", 16, inner_tag="l.0")
             return lp.tag_inames(knl, dict(k="g.0"))
@@ -338,7 +342,8 @@ class Discretization(object):
                         sum(j, resampling_mat[i, j] * nodes[d, k, j])
                     """,
                 name="nodes",
-                default_offset=lp.auto)
+                default_offset=lp.auto,
+                lang_version=MOST_RECENT_LANGUAGE_VERSION)
 
             knl = lp.split_iname(knl, "i", 16, inner_tag="l.0")
             knl = lp.tag_inames(knl, dict(k="g.0"))
diff --git a/meshmode/discretization/connection/__init__.py b/meshmode/discretization/connection/__init__.py
index 7d17be88ed122ccf5b9ee1d1098fe9da79899bb4..57f2b43cf7cb31fb3b6aef62db22ad9a0fe0719a 100644
--- a/meshmode/discretization/connection/__init__.py
+++ b/meshmode/discretization/connection/__init__.py
@@ -27,6 +27,8 @@ from six.moves import range, zip
 import numpy as np
 import pyopencl as cl
 import pyopencl.array  # noqa
+
+from loopy.version import MOST_RECENT_LANGUAGE_VERSION
 from pytools import memoize_method, memoize_in
 
 from meshmode.discretization.connection.same_mesh import \
@@ -367,7 +369,8 @@ class DirectDiscretizationConnection(DiscretizationConnection):
                     lp.ValueArg("nnodes_tgt,nnodes_src", np.int32),
                     "...",
                     ],
-                name="oversample_mat")
+                name="oversample_mat",
+                lang_version=MOST_RECENT_LANGUAGE_VERSION)
 
             knl = lp.split_iname(knl, "i", 16, inner_tag="l.0")
             return lp.tag_inames(knl, dict(k="g.0"))
@@ -419,7 +422,8 @@ class DirectDiscretizationConnection(DiscretizationConnection):
                     lp.ValueArg("nelements_vec", np.int32),
                     "...",
                     ],
-                name="resample_by_mat")
+                name="resample_by_mat",
+                lang_version=MOST_RECENT_LANGUAGE_VERSION)
 
             knl = lp.split_iname(knl, "i", 16, inner_tag="l.0")
             return lp.tag_inames(knl, dict(k="g.0"))
@@ -445,7 +449,8 @@ class DirectDiscretizationConnection(DiscretizationConnection):
                     lp.ValueArg("n_from_nodes", np.int32),
                     "...",
                     ],
-                name="resample_by_picking")
+                name="resample_by_picking",
+                lang_version=MOST_RECENT_LANGUAGE_VERSION)
 
             knl = lp.split_iname(knl, "i", 16, inner_tag="l.0")
             return lp.tag_inames(knl, dict(k="g.0"))