diff --git a/Cargo.toml b/Cargo.toml
index bccb5d7..14e8337 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -23,6 +23,27 @@ license     = "BSL-1.1"
 repository  = "https://github.com/odal-node/dpp-engine"
 rust-version = "1.96"
 
+# ---------------------------------------------------------------------------
+# Debug-build profile
+#
+# `dpp-node`'s integration test binaries link 250+ object files across wasmtime,
+# aws-lc, sqlx and the AWS SDK. With full DWARF, linking several of them in
+# parallel exhausts memory on a 16 GB machine and the build dies at the *last*
+# CI stage — as `LINK : fatal error LNK1102: out of memory`, or, when rustc is
+# the one that runs out first, as a bare `STATUS_STACK_BUFFER_OVERRUN` abort
+# with no diagnostic. Both read as a code failure and are not one.
+#
+# `line-tables-only` keeps what this workspace actually debugs with — function
+# names, file and line numbers in backtraces and panics — and drops the
+# variable-level DWARF that makes those links enormous. The cost is variable
+# inspection under a step debugger, which is not how this codebase is worked on.
+# `test` inherits from `dev`, so this covers test binaries too.
+#
+# Raise this back to full debug only with a plan for the link memory.
+# ---------------------------------------------------------------------------
+[profile.dev]
+debug = "line-tables-only"
+
 # ---------------------------------------------------------------------------
 # Shared dependency versions — crates inherit these with `workspace = true`
 # ---------------------------------------------------------------------------