diff --git a/build.sh b/build.sh
index cf93767e7..0fe066222 100755
--- a/build.sh
+++ b/build.sh
@@ -9,5 +9,5 @@ set -e
 [ "${FLOCKER}" != "$0" ] && exec env FLOCKER="$0" flock -en .stack-work.lock "$0" "$@" || :
 
 echo "Building..."
-stack build --fast --flag uniworx:-library-only --flag uniworx:dev $@
+stack build --fast --profile --library-profiling --executable-profiling --flag uniworx:-library-only --flag uniworx:dev $@
 echo "Done."
diff --git a/package.yaml b/package.yaml
index 3b250dd6b..93685ee45 100644
--- a/package.yaml
+++ b/package.yaml
@@ -257,7 +257,7 @@ ghc-options:
   - -j
   - -freduction-depth=0
   - -prof
-  - -fprof-auto
+  - -fprof-auto-call
 when:
   - condition: flag(pedantic)
     ghc-options:
diff --git a/stack.yaml b/stack.yaml
index 54e068450..e3b41af26 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -7,8 +7,11 @@ flags:
     cffi: true
 
 rebuild-ghc-options: true
-ghc-options:
-  "$everything": -fno-prof-auto
+#ghc-options:
+#  "$everything": -fno-prof-auto
+
+library-profiling: true
+executable-profiling: true
 
 nix:
   packages: []