diff --git a/WORKSPACE b/WORKSPACE
index 793946dec..0b78e910d 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -197,7 +197,7 @@ filegroup(
     url = "https://github.com/eth2-clients/slashing-protection-interchange-tests/archive/b8413ca42dc92308019d0d4db52c87e9e125c4e9.tar.gz",
 )
 
-consensus_spec_version = "v1.1.0-beta.4"
+consensus_spec_version = "v1.1.0"
 
 bls_test_version = "v0.1.1"
 
@@ -213,7 +213,7 @@ filegroup(
     visibility = ["//visibility:public"],
 )
     """,
-    sha256 = "d2d501453cf29777896a5f9ae52e93921f34330e57fcc5b55e4982d4795236b9",
+    sha256 = "0f58ec1c8995ab2c0a3aada873e1a02f333c8659fdacaa1c76fbdce28b6177dc",
     url = "https://github.com/ethereum/consensus-spec-tests/releases/download/%s/general.tar.gz" % consensus_spec_version,
 )
 
@@ -229,7 +229,7 @@ filegroup(
     visibility = ["//visibility:public"],
 )
     """,
-    sha256 = "b152f1f03a4fdacd1882fe867bdfbd5067e74ed3c532bd01d81e7adf6cc3737a",
+    sha256 = "d2eeadef3f8885748f769a06eb916bea60fb00112a90cec3288ea78db5557df3",
     url = "https://github.com/ethereum/consensus-spec-tests/releases/download/%s/minimal.tar.gz" % consensus_spec_version,
 )
 
@@ -245,7 +245,7 @@ filegroup(
     visibility = ["//visibility:public"],
 )
     """,
-    sha256 = "6046f89c679a9ffda217dee6f021eb7c4fe91aad6ff940fae4d2cf894cc61cbb",
+    sha256 = "bbc345432f4eaa4babe2619e16fcf3f607113ede82d1bd0fff2633c1376419f7",
     url = "https://github.com/ethereum/consensus-spec-tests/releases/download/%s/mainnet.tar.gz" % consensus_spec_version,
 )
 
@@ -260,7 +260,7 @@ filegroup(
     visibility = ["//visibility:public"],
 )
     """,
-    sha256 = "26a0a2c3022a3c5354f3204c7e441580df2e585dbde22a43a1d43f885b3a221c",
+    sha256 = "787a50c2a03bebab92f089333f598780ca7b4849b36a4897e6603ddd3e86ec24",
     strip_prefix = "consensus-specs-" + consensus_spec_version[1:],
     url = "https://github.com/ethereum/consensus-specs/archive/refs/tags/%s.tar.gz" % consensus_spec_version,
 )
diff --git a/config/params/loader_test.go b/config/params/loader_test.go
index 91a11535a..16e6df7b6 100644
--- a/config/params/loader_test.go
+++ b/config/params/loader_test.go
@@ -14,6 +14,11 @@ import (
 	"gopkg.in/yaml.v2"
 )
 
+var placeholderFields = []string{
+	"TERMINAL_TOTAL_DIFFICULTY",
+	"TERMINAL_BLOCK_HASH",
+}
+
 func TestLoadConfigFileMainnet(t *testing.T) {
 	// See https://media.githubusercontent.com/media/ethereum/consensus-spec-tests/master/tests/minimal/config/phase0.yaml
 	assertVals := func(name string, fields []string, c1, c2 *params.BeaconChainConfig) {
@@ -105,16 +110,19 @@ func TestLoadConfigFileMainnet(t *testing.T) {
 	}
 
 	t.Run("mainnet", func(t *testing.T) {
-		mainnetConfigFile := presetsFilePath(t, "mainnet")
+		mainnetPresetsFile := presetsFilePath(t, "mainnet")
+		params.LoadChainConfigFile(mainnetPresetsFile)
+		mainnetConfigFile := configFilePath(t, "mainnet")
 		params.LoadChainConfigFile(mainnetConfigFile)
-		fields := fieldsFromYaml(t, mainnetConfigFile)
+		fields := fieldsFromYamls(t, []string{mainnetPresetsFile, mainnetConfigFile})
 		assertVals("mainnet", fields, params.MainnetConfig(), params.BeaconConfig())
 	})
 
 	t.Run("minimal", func(t *testing.T) {
-		minimalConfigFile := presetsFilePath(t, "minimal")
-		params.LoadChainConfigFile(minimalConfigFile)
-		fields := fieldsFromYaml(t, minimalConfigFile)
+		minimalPresetsFile := presetsFilePath(t, "minimal")
+		params.LoadChainConfigFile(minimalPresetsFile)
+		minimalConfigFile := configFilePath(t, "minimal")
+		fields := fieldsFromYamls(t, []string{minimalPresetsFile, minimalConfigFile})
 		assertVals("minimal", fields, params.MinimalSpecConfig(), params.BeaconConfig())
 	})
 }
@@ -226,19 +234,21 @@ func presetsFilePath(t *testing.T, config string) string {
 	return configFilePath
 }
 
-func fieldsFromYaml(t *testing.T, fp string) []string {
-	yamlFile, err := ioutil.ReadFile(fp)
-	require.NoError(t, err)
-	m := make(map[string]interface{})
-	require.NoError(t, yaml.Unmarshal(yamlFile, &m))
-
+func fieldsFromYamls(t *testing.T, fps []string) []string {
 	var keys []string
-	for k := range m {
-		keys = append(keys, k)
-	}
+	for _, fp := range fps {
+		yamlFile, err := ioutil.ReadFile(fp)
+		require.NoError(t, err)
+		m := make(map[string]interface{})
+		require.NoError(t, yaml.Unmarshal(yamlFile, &m))
 
-	if len(keys) == 0 {
-		t.Errorf("No fields loaded from yaml file %s", fp)
+		for k := range m {
+			keys = append(keys, k)
+		}
+
+		if len(keys) == 0 {
+			t.Errorf("No fields loaded from yaml file %s", fp)
+		}
 	}
 
 	return keys
@@ -252,6 +262,11 @@ func assertYamlFieldsMatch(t *testing.T, name string, fields []string, c1, c2 *p
 		for i := 0; i < ft1.NumField(); i++ {
 			v, ok := ft1.Field(i).Tag.Lookup("yaml")
 			if ok && v == field {
+				if isPlaceholderField(v) {
+					// If you see this error, remove the field from placeholderFields.
+					t.Errorf("beacon config has a placeholder field defined, remove %s from the placeholder fields variable", v)
+					continue
+				}
 				found = true
 				v1 := reflect.ValueOf(*c1).Field(i).Interface()
 				v2 := reflect.ValueOf(*c2).Field(i).Interface()
@@ -263,8 +278,17 @@ func assertYamlFieldsMatch(t *testing.T, name string, fields []string, c1, c2 *p
 				break
 			}
 		}
-		if !found {
+		if !found && !isPlaceholderField(field) { // Ignore placeholder fields
 			t.Errorf("No struct tag found `yaml:%s`", field)
 		}
 	}
 }
+
+func isPlaceholderField(field string) bool {
+	for _, f := range placeholderFields {
+		if f == field {
+			return true
+		}
+	}
+	return false
+}
diff --git a/config/params/testnet_prater_config_test.go b/config/params/testnet_prater_config_test.go
index ab2efb4d5..9548fba09 100644
--- a/config/params/testnet_prater_config_test.go
+++ b/config/params/testnet_prater_config_test.go
@@ -7,8 +7,10 @@ import (
 )
 
 func TestPraterConfigMatchesUpstreamYaml(t *testing.T) {
+	presetFP := presetsFilePath(t, "mainnet")
+	params.LoadChainConfigFile(presetFP)
 	configFP := testnetConfigFilePath(t, "prater")
 	params.LoadChainConfigFile(configFP)
-	fields := fieldsFromYaml(t, configFP)
+	fields := fieldsFromYamls(t, []string{configFP, presetFP})
 	assertYamlFieldsMatch(t, "prater", fields, params.BeaconConfig(), params.PraterConfig())
 }