diff --git a/src/sage/categories/meson.build b/src/sage/categories/meson.build
index beb4a57fe7c..416be5f1897 100644
--- a/src/sage/categories/meson.build
+++ b/src/sage/categories/meson.build
@@ -1,5 +1,6 @@
 py.install_sources(
     '__init__.py',
+    'action.pxd',
     'additive_groups.py',
     'additive_magmas.py',
     'additive_monoids.py',
@@ -20,6 +21,8 @@ py.install_sources(
     'bimodules.py',
     'cartesian_product.py',
     'category.py',
+    'category_cy_helper.pxd',
+    'category_singleton.pxd',
     'category_types.py',
     'category_with_axiom.py',
     'chain_complexes.py',
@@ -83,6 +86,7 @@ py.install_sources(
     'finitely_generated_magmas.py',
     'finitely_generated_semigroups.py',
     'function_fields.py',
+    'functor.pxd',
     'g_sets.py',
     'gcd_domains.py',
     'generalized_coxeter_groups.py',
@@ -130,6 +134,7 @@ py.install_sources(
     'magmas_and_additive_magmas.py',
     'magmatic_algebras.py',
     'manifolds.py',
+    'map.pxd',
     'matrix_algebras.py',
     'metric_spaces.py',
     'modular_abelian_varieties.py',
@@ -137,6 +142,7 @@ py.install_sources(
     'modules_with_basis.py',
     'monoid_algebras.py',
     'monoids.py',
+    'morphism.pxd',
     'number_fields.py',
     'objects.py',
     'partially_ordered_monoids.py',
diff --git a/src/sage/data_structures/meson.build b/src/sage/data_structures/meson.build
index ad656c3cab6..4582d9bcb75 100644
--- a/src/sage/data_structures/meson.build
+++ b/src/sage/data_structures/meson.build
@@ -1,7 +1,16 @@
 py.install_sources(
     '__init__.py',
     'all.py',
+    'binary_matrix.pxd',
+    'binary_search.pxd',
+    'bitset.pxd',
+    'bitset_base.pxd',
+    'bitset_intrinsics.h',
+    'blas_dict.pxd',
+    'bounded_integer_sequences.pxd',
+    'list_of_pairs.pxd',
     'mutable_poset.py',
+    'sparse_bitset.pxd',
     'stream.py',
     subdir: 'sage/data_structures',
 )
diff --git a/src/sage/rings/meson.build b/src/sage/rings/meson.build
index 143b683260a..473eb734cd3 100644
--- a/src/sage/rings/meson.build
+++ b/src/sage/rings/meson.build
@@ -36,6 +36,7 @@ py.install_sources(
     'imaginary_unit.py',
     'infinity.py',
     'integer.pxd',
+    'integer.pyx',
     'integer_fake.h',
     'integer_fake.pxd',
     'integer_ring.pxd',
@@ -62,6 +63,7 @@ py.install_sources(
     'quotient_ring.py',
     'quotient_ring_element.py',
     'rational.pxd',
+    'rational.pyx',
     'rational_field.py',
     'real_arb.pxd',
     'real_double.pxd',
diff --git a/src/sage/schemes/elliptic_curves/meson.build b/src/sage/schemes/elliptic_curves/meson.build
index 6dcd2411cd4..ce4f2366180 100644
--- a/src/sage/schemes/elliptic_curves/meson.build
+++ b/src/sage/schemes/elliptic_curves/meson.build
@@ -30,6 +30,7 @@ py.install_sources(
     'hom_composite.py',
     'hom_frobenius.py',
     'hom_scalar.py',
+    'hom_sum.py',
     'hom_velusqrt.py',
     'isogeny_class.py',
     'isogeny_small_degree.py',
@@ -38,6 +39,7 @@ py.install_sources(
     'kraus.py',
     'lseries_ell.py',
     'mod5family.py',
+    'mod_poly.py',
     'modular_parametrization.py',
     'padic_lseries.py',
     'padics.py',