diff --git a/lsp-test/lsp-test.cabal b/lsp-test/lsp-test.cabal
index e7f9ffc2..916024c7 100644
--- a/lsp-test/lsp-test.cabal
+++ b/lsp-test/lsp-test.cabal
@@ -92,7 +92,7 @@ test-suite tests
   hs-source-dirs:   test
   main-is:          Test.hs
   default-language: Haskell2010
-  ghc-options:      -W
+  ghc-options:      -W -threaded -rtsopts -with-rtsopts=-N
   other-modules:    DummyServer
   build-depends:
     , aeson
@@ -117,6 +117,7 @@ test-suite func-test
   hs-source-dirs:   func-test
   default-language: Haskell2010
   main-is:          FuncTest.hs
+  ghc-options:      -threaded -rtsopts -with-rtsopts=-N
   build-depends:
     , base
     , co-log-core
@@ -134,6 +135,7 @@ test-suite example
   hs-source-dirs:     example
   default-language:   Haskell2010
   main-is:            Test.hs
+  ghc-options:        -threaded -rtsopts -with-rtsopts=-N
   build-depends:
     , base
     , lsp-test
@@ -145,7 +147,7 @@ benchmark simple-bench
   hs-source-dirs:   bench
   default-language: Haskell2010
   main-is:          SimpleBench.hs
-  ghc-options:      -Wall -O2 -eventlog -rtsopts
+  ghc-options:      -Wall -O2 -eventlog -threaded -rtsopts -with-rtsopts=-N
   build-depends:
     , base
     , extra