diff --git a/mgba-test-runner/Cargo.toml b/mgba-test-runner/Cargo.toml
index 855bdca6..85e12710 100644
--- a/mgba-test-runner/Cargo.toml
+++ b/mgba-test-runner/Cargo.toml
@@ -6,6 +6,9 @@ edition = "2018"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
+[profile.release]
+debug = true
+
 [dependencies]
 regex = "1"
 anyhow = "1.0"
diff --git a/mgba-test-runner/build-mgba.sh b/mgba-test-runner/build-mgba.sh
index da488c50..05b9bb09 100644
--- a/mgba-test-runner/build-mgba.sh
+++ b/mgba-test-runner/build-mgba.sh
@@ -31,6 +31,7 @@ cmake .. \
 	-DUSE_LZMA=OFF \
 	-DUSE_DISCORD_RPC=OFF \
 	-DENABLE_SCRIPTING=OFF \
+	-DCMAKE_BUILD_TYPE=Debug \
     -DUSE_EPOXY=OFF
 make
 
diff --git a/mgba-test-runner/build.rs b/mgba-test-runner/build.rs
index 086e8b9a..29d97b4a 100644
--- a/mgba-test-runner/build.rs
+++ b/mgba-test-runner/build.rs
@@ -19,6 +19,7 @@ fn main() {
         .file("c/test-runner.c")
         .include(&mgba_directory.join("include"))
         .static_flag(true)
+        .debug(true)
         .compile("test-runner");
 
     let bindings = bindgen::Builder::default()