diff --git a/vortex/src/lib.rs b/vortex/src/lib.rs
index 8668de339cb..3f7016be38f 100644
--- a/vortex/src/lib.rs
+++ b/vortex/src/lib.rs
@@ -12,6 +12,7 @@ use vortex_array::dtype::session::DTypeSession;
 // vortex::expr is in the process of having its dependencies inverted, and will eventually be
 // pulled back out into a vortex_expr crate.
 pub use vortex_array::expr;
+use vortex_array::memory::MemorySession;
 use vortex_array::optimizer::kernels::ArrayKernels;
 pub use vortex_array::scalar_fn;
 use vortex_array::scalar_fn::session::ScalarFnSession;
@@ -171,6 +172,7 @@ impl VortexSessionDefault for VortexSession {
             .with::<StatsSession>()
             .with::<ArrayKernels>()
             .with::<AggregateFnSession>()
+            .with::<MemorySession>()
             .with::<RuntimeSession>();
 
         #[cfg(feature = "files")]