diff --git a/core/capabilities/compute/cache_test.go b/core/capabilities/compute/cache_test.go
index 358eb37f4e3..3b38cc23001 100644
--- a/core/capabilities/compute/cache_test.go
+++ b/core/capabilities/compute/cache_test.go
@@ -21,6 +21,7 @@ const (
 )
 
 func TestCache(t *testing.T) {
+	t.Parallel()
 	clock := clockwork.NewFakeClock()
 	tick := 1 * time.Second
 	timeout := 1 * time.Second
@@ -55,6 +56,7 @@ func TestCache(t *testing.T) {
 }
 
 func TestCache_EvictAfterSize(t *testing.T) {
+	t.Parallel()
 	ctx := tests.Context(t)
 	clock := clockwork.NewFakeClock()
 	tick := 1 * time.Second
diff --git a/core/capabilities/compute/compute_test.go b/core/capabilities/compute/compute_test.go
index b88e5694a8a..ec82533f2bb 100644
--- a/core/capabilities/compute/compute_test.go
+++ b/core/capabilities/compute/compute_test.go
@@ -82,6 +82,7 @@ func TestComputeStartAddsToRegistry(t *testing.T) {
 }
 
 func TestComputeExecuteMissingConfig(t *testing.T) {
+	t.Parallel()
 	th := setup(t, defaultConfig)
 	require.NoError(t, th.compute.Start(tests.Context(t)))
 
@@ -123,6 +124,7 @@ func TestComputeExecuteMissingBinary(t *testing.T) {
 }
 
 func TestComputeExecute(t *testing.T) {
+	t.Parallel()
 	th := setup(t, defaultConfig)
 
 	require.NoError(t, th.compute.Start(tests.Context(t)))
@@ -176,6 +178,7 @@ func TestComputeExecute(t *testing.T) {
 }
 
 func TestComputeFetch(t *testing.T) {
+	t.Parallel()
 	workflowID := "15c631d295ef5e32deb99a10ee6804bc4af13855687559d7ff6552ac6dbb2ce0"
 	workflowExecutionID := "95ef5e32deb99a10ee6804bc4af13855687559d7ff6552ac6dbb2ce0abbadeed"
 	th := setup(t, defaultConfig)
diff --git a/core/services/gateway/network/httpserver_test.go b/core/services/gateway/network/httpserver_test.go
index dac00df2a12..2d85f3d583e 100644
--- a/core/services/gateway/network/httpserver_test.go
+++ b/core/services/gateway/network/httpserver_test.go
@@ -56,6 +56,7 @@ func sendRequest(t *testing.T, url string, body []byte) *http.Response {
 }
 
 func TestHTTPServer_HandleRequest_Correct(t *testing.T) {
+	t.Parallel()
 	server, handler, url := startNewServer(t, 100_000, 100_000)
 	defer server.Close()
 
@@ -69,6 +70,7 @@ func TestHTTPServer_HandleRequest_Correct(t *testing.T) {
 }
 
 func TestHTTPServer_HandleRequest_RequestBodyTooBig(t *testing.T) {
+	t.Parallel()
 	server, _, url := startNewServer(t, 5, 100_000)
 	defer server.Close()
 
@@ -77,6 +79,7 @@ func TestHTTPServer_HandleRequest_RequestBodyTooBig(t *testing.T) {
 }
 
 func TestHTTPServer_HandleHealthCheck(t *testing.T) {
+	t.Parallel()
 	server, _, url := startNewServer(t, 100_000, 100_000)
 	defer server.Close()
 
diff --git a/core/services/gateway/network/wsconnection_test.go b/core/services/gateway/network/wsconnection_test.go
index 4ded4f40b10..01a47313dfd 100644
--- a/core/services/gateway/network/wsconnection_test.go
+++ b/core/services/gateway/network/wsconnection_test.go
@@ -31,6 +31,7 @@ func (ssl *serverSideLogic) wsHandler(w http.ResponseWriter, r *http.Request) {
 }
 
 func TestWSConnectionWrapper_ClientReconnect(t *testing.T) {
+	t.Parallel()
 	lggr := logger.TestLogger(t)
 	// server
 	ssl := &serverSideLogic{connWrapper: network.NewWSConnectionWrapper(lggr)}
diff --git a/core/services/gateway/network/wsserver_test.go b/core/services/gateway/network/wsserver_test.go
index 0b24dbe6614..6b50afe0c1f 100644
--- a/core/services/gateway/network/wsserver_test.go
+++ b/core/services/gateway/network/wsserver_test.go
@@ -60,6 +60,7 @@ func sendRequestWithHeader(t *testing.T, url string, headerName string, headerVa
 }
 
 func TestWSServer_HandleRequest_AuthHeaderTooBig(t *testing.T) {
+	t.Parallel()
 	server, _, url := startNewWSServer(t, 100_000)
 	defer server.Close()
 
@@ -73,6 +74,7 @@ func TestWSServer_HandleRequest_AuthHeaderTooBig(t *testing.T) {
 }
 
 func TestWSServer_HandleRequest_AuthHeaderIncorrectlyBase64Encoded(t *testing.T) {
+	t.Parallel()
 	server, _, url := startNewWSServer(t, 100_000)
 	defer server.Close()
 
@@ -81,6 +83,7 @@ func TestWSServer_HandleRequest_AuthHeaderIncorrectlyBase64Encoded(t *testing.T)
 }
 
 func TestWSServer_HandleRequest_AuthHeaderInvalid(t *testing.T) {
+	t.Parallel()
 	server, acceptor, url := startNewWSServer(t, 100_000)
 	defer server.Close()
 
diff --git a/core/services/ocr2/plugins/ccip/tokendata/usdc/usdc_blackbox_test.go b/core/services/ocr2/plugins/ccip/tokendata/usdc/usdc_blackbox_test.go
index 95b309ff74e..fd18d0a2b93 100644
--- a/core/services/ocr2/plugins/ccip/tokendata/usdc/usdc_blackbox_test.go
+++ b/core/services/ocr2/plugins/ccip/tokendata/usdc/usdc_blackbox_test.go
@@ -29,6 +29,7 @@ type attestationResponse struct {
 }
 
 func TestUSDCReader_ReadTokenData(t *testing.T) {
+	t.Parallel()
 	tests := []struct {
 		name                string
 		attestationResponse attestationResponse
diff --git a/core/services/ocr2/plugins/ccip/tokendata/usdc/usdc_test.go b/core/services/ocr2/plugins/ccip/tokendata/usdc/usdc_test.go
index c4221b2dc0f..4210ecf75ea 100644
--- a/core/services/ocr2/plugins/ccip/tokendata/usdc/usdc_test.go
+++ b/core/services/ocr2/plugins/ccip/tokendata/usdc/usdc_test.go
@@ -51,6 +51,7 @@ func TestUSDCReader_callAttestationApi(t *testing.T) {
 }
 
 func TestUSDCReader_callAttestationApiMock(t *testing.T) {
+	t.Parallel()
 	response := attestationResponse{
 		Status:      attestationStatusSuccess,
 		Attestation: "720502893578a89a8a87982982ef781c18b193",
@@ -186,6 +187,7 @@ func TestUSDCReader_callAttestationApiMockError(t *testing.T) {
 
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {
+			t.Parallel()
 			ts := test.getTs()
 			defer ts.Close()
 
@@ -225,6 +227,7 @@ func getMockUSDCEndpoint(t *testing.T, response attestationResponse) *httptest.S
 }
 
 func TestGetUSDCMessageBody(t *testing.T) {
+	t.Parallel()
 	expectedBody := []byte("0x0000000000000001000000020000000000048d71000000000000000000000000eb08f243e5d3fcff26a9e38ae5520a669f4019d000000000000000000000000023a04d5935ed8bc8e3eb78db3541f0abfb001c6e0000000000000000000000006cb3ed9b441eb674b58495c8b3324b59faff5243000000000000000000000000000000005425890298aed601595a70ab815c96711a31bc65000000000000000000000000ab4f961939bfe6a93567cc57c59eed7084ce2131000000000000000000000000000000000000000000000000000000000000271000000000000000000000000035e08285cfed1ef159236728f843286c55fc0861")
 	usdcReader := ccipdatamocks.USDCReader{}
 	usdcReader.On("GetUSDCMessagePriorToLogIndexInTx", mock.Anything, mock.Anything, mock.Anything, mock.Anything).Return(expectedBody, nil)
@@ -251,6 +254,7 @@ func TestGetUSDCMessageBody(t *testing.T) {
 }
 
 func TestTokenDataReader_getUsdcTokenEndOffset(t *testing.T) {
+	t.Parallel()
 	usdcToken := utils.RandomAddress()
 	nonUsdcToken := utils.RandomAddress()
 
@@ -303,6 +307,7 @@ func TestTokenDataReader_getUsdcTokenEndOffset(t *testing.T) {
 }
 
 func TestUSDCReader_rateLimiting(t *testing.T) {
+	t.Parallel()
 	testCases := []struct {
 		name         string
 		requests     uint64
diff --git a/core/services/ocr2/plugins/ocr2keeper/evmregistry/v21/mercury/v02/v02_request_test.go b/core/services/ocr2/plugins/ocr2keeper/evmregistry/v21/mercury/v02/v02_request_test.go
index 8fc55abc7e7..2abe9c9717a 100644
--- a/core/services/ocr2/plugins/ocr2keeper/evmregistry/v21/mercury/v02/v02_request_test.go
+++ b/core/services/ocr2/plugins/ocr2keeper/evmregistry/v21/mercury/v02/v02_request_test.go
@@ -312,6 +312,7 @@ func TestV02_SingleFeedRequest(t *testing.T) {
 
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
 			c := setupClient(t)
 			defer c.Close()
 			hc := new(MockHttpClient)
@@ -583,6 +584,7 @@ func TestV02_DoMercuryRequestV02(t *testing.T) {
 
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
 			c := setupClient(t)
 			defer c.Close()
 			if tt.pluginRetries != 0 {
diff --git a/core/services/ocr2/plugins/ocr2keeper/evmregistry/v21/mercury/v03/v03_request_test.go b/core/services/ocr2/plugins/ocr2keeper/evmregistry/v21/mercury/v03/v03_request_test.go
index cce00646aeb..022fd8a1e46 100644
--- a/core/services/ocr2/plugins/ocr2keeper/evmregistry/v21/mercury/v03/v03_request_test.go
+++ b/core/services/ocr2/plugins/ocr2keeper/evmregistry/v21/mercury/v03/v03_request_test.go
@@ -818,6 +818,7 @@ func TestV03_MultiFeedRequest(t *testing.T) {
 
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
 			c := setupClient(t)
 			defer c.Close()
 			if tt.pluginRetries != 0 {