diff --git a/Cargo.toml b/Cargo.toml
index 677752a3..f194f831 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,12 +14,15 @@ members = [
 ]
 
 [profile.release]
-opt-level = "z"
+opt-level = 3
 lto = true
 codegen-units = 1
 panic = "abort"
 strip = "symbols"
 
+[profile.release.build-override]
+inherits = "dev.build-override"
+
 [profile.dev]
 opt-level = 0
 debug = true
@@ -28,6 +31,10 @@ debug-assertions = true
 overflow-checks = true
 codegen-units = 1024
 
+# Set the default for dependencies on debug.
+[profile.dev.package."*"]
+opt-level = 3
+
 [profile.dev.build-override]
 inherits = "dev"
 debug = false
@@ -35,5 +42,15 @@ debug-assertions = false
 overflow-checks = false
 incremental = false
 
-[profile.release.build-override]
-inherits = "dev.build-override"
+[profile.check-only]
+inherits = "dev"
+debug = false
+debug-assertions = false
+overflow-checks = false
+panic = "abort"
+
+[profile.check-only.build-override]
+inherits = "check-only"
+
+[profile.check-only.package."*"]
+inherits = "check-only"
diff --git a/justfile b/justfile
index 4afb5687..17b9a51a 100644
--- a/justfile
+++ b/justfile
@@ -181,13 +181,14 @@ build: print-env
     {{cargo-bin}} build {{cargo-build-args}}
 
 check: print-env
-    {{cargo-bin}} check {{cargo-build-args}}
-    cargo-hack hack check --feature-powerset -p leon {{cargo-check-args}}
-    {{cargo-bin}} check -p binstalk-downloader --no-default-features
-    {{cargo-bin}} check -p cargo-binstall --no-default-features --features rustls {{cargo-check-args}}
+    {{cargo-bin}} check {{cargo-build-args}} --profile check-only
+    cargo-hack hack check --feature-powerset -p leon {{cargo-check-args}} --profile check-only
+    {{cargo-bin}} check -p binstalk-downloader --no-default-features --profile check-only
+    {{cargo-bin}} check -p cargo-binstall --no-default-features --features rustls {{cargo-check-args}} --profile check-only
     cargo-hack hack check -p binstalk-downloader \
         --feature-powerset \
         --include-features default,json,gh-api-client \
+        --profile check-only \
         {{cargo-check-args}}
 
 get-output file outdir=".":