diff --git a/build.gradle b/build.gradle
index cc8f8d23..3d549aea 100644
--- a/build.gradle
+++ b/build.gradle
@@ -22,7 +22,7 @@ compileTestJava {
 
 dependencies {
     testImplementation group: 'junit', name: 'junit', version: '4.13.2'
-    testImplementation group: 'org.skyscreamer', name: 'jsonassert', version: '1.3.0'
+    testImplementation group: 'org.skyscreamer', name: 'jsonassert', version: '1.5.3'
     testImplementation group: 'com.squareup.okhttp3', name: 'mockwebserver', version: '4.10.0'
     testImplementation group: 'org.hamcrest', name: 'hamcrest-library', version: '1.3'
     implementation 'com.google.code.gson:gson:2.13.1'
diff --git a/src/test/java/com/siftscience/ContentEventTest.java b/src/test/java/com/siftscience/ContentEventTest.java
index 169a6c87..ad80c864 100644
--- a/src/test/java/com/siftscience/ContentEventTest.java
+++ b/src/test/java/com/siftscience/ContentEventTest.java
@@ -163,7 +163,7 @@ public void testCreateListing() throws Exception {
             "           \"$link\": \"https://www.domain.com/file.png\",\n" +
             "           \"$description\": \"Billy's picture\"\n" +
             "       }],\n" +
-            "       \"$expiration_time\": 1549063157000,\n" +
+            "       \"$expiration_time\": 1549063157000\n" +
             "   },\n" +
             "  \"$verification_phone_number\" : \"+12345678901\"\n" +
             "}";
@@ -271,7 +271,7 @@ public void testCreateMessage() throws Exception {
             "           \"$md5_hash\": \"aflshdfbalsubdf3234sfdkjb\",\n" +
             "           \"$link\": \"https://www.domain.com/file.png\",\n" +
             "           \"$description\": \"My hike today!\"\n" +
-            "       }],\n" +
+            "       }]\n" +
             "   }," +
             "  \"$verification_phone_number\" : \"+12345678901\"\n" +
             "}";
@@ -363,7 +363,7 @@ public void testCreateProfile() throws Exception {
             "           \"$md5_hash\": \"aflshdfbalsubdf3234sfdkjb\",\n" +
             "           \"$link\": \"https://www.domain.com/file.png\",\n" +
             "           \"$description\": \"Alex’s picture\"\n" +
-            "       }],\n" +
+            "       }]\n" +
             "   }," +
             "  \"$verification_phone_number\" : \"+12345678901\"\n" +
             "}";
@@ -784,7 +784,7 @@ public void testUpdateListing() throws Exception {
             "           \"$link\": \"https://www.domain.com/file.png\",\n" +
             "           \"$description\": \"Billy's picture\"\n" +
             "       }],\n" +
-            "       \"$expiration_time\": 1549063157000,\n" +
+            "       \"$expiration_time\": 1549063157000\n" +
             "   },\n" +
             "  \"$verification_phone_number\" : \"+12345678901\"\n" +
             "}";
@@ -894,7 +894,7 @@ public void testUpdateMessage() throws Exception {
             "           \"$md5_hash\": \"aflshdfbalsubdf3234sfdkjb\",\n" +
             "           \"$link\": \"https://www.domain.com/file.png\",\n" +
             "           \"$description\": \"My hike today!\"\n" +
-            "       }],\n" +
+            "       }]\n" +
             "   }," +
             "  \"$verification_phone_number\" : \"+12345678901\"\n" +
             "}";
@@ -988,7 +988,7 @@ public void testUpdateProfile() throws Exception {
             "           \"$md5_hash\": \"aflshdfbalsubdf3234sfdkjb\",\n" +
             "           \"$link\": \"https://www.domain.com/file.png\",\n" +
             "           \"$description\": \"Alex’s picture\"\n" +
-            "       }],\n" +
+            "       }]\n" +
             "   }," +
             "  \"$verification_phone_number\" : \"+12345678901\"\n" +
             "}";
diff --git a/src/test/java/com/siftscience/CreateOrderEventTest.java b/src/test/java/com/siftscience/CreateOrderEventTest.java
index dda13ebe..eaed56a3 100644
--- a/src/test/java/com/siftscience/CreateOrderEventTest.java
+++ b/src/test/java/com/siftscience/CreateOrderEventTest.java
@@ -978,7 +978,7 @@ public void testCreateOrderEventWithCryptoFields() throws JSONException, IOExcep
             "  \"$payment_methods\": [\n" +
             "    {\n" +
             "      \"$wallet_address\": \"ZplYVmchAoywfMvC8jCiKlBLfKSBiFtHU6\",\n" +
-            "      \"$wallet_type\": \"$crypto\",\n" +
+            "      \"$wallet_type\": \"$crypto\"\n" +
             "    }\n" +
             "  ],\n" +
             "  \"$digital_orders\" : [\n" +
@@ -987,9 +987,9 @@ public void testCreateOrderEventWithCryptoFields() throws JSONException, IOExcep
             "      \"$pair\"          : \"BTC_USD\",\n" +
             "      \"$asset_type\"    : \"$crypto\",\n" +
             "      \"$order_type\"    : \"$market\",\n" +
-            "      \"$volume\"        : \"6.0\",\n" +
+            "      \"$volume\"        : \"6.0\"\n" +
             "    }\n" +
-            "  ],\n" +
+            "  ]\n" +
             "}\n";
 
         // Start a new mock server and enqueue a mock response.
diff --git a/src/test/java/com/siftscience/SiftClientTest.java b/src/test/java/com/siftscience/SiftClientTest.java
index d87db9e6..48288b76 100644
--- a/src/test/java/com/siftscience/SiftClientTest.java
+++ b/src/test/java/com/siftscience/SiftClientTest.java
@@ -310,7 +310,7 @@ public void testNullsAreNotSerialized() throws JSONException {
                 "\"$amount\": 5," +
                 "\"$session_id\": \"foo\"," +
                 "\"custom1\": \"blah\"," +
-                "\"custom3\": 99," +
+                "\"custom3\": 99" +
         "}", fieldSet.toJson(), true);
     }
 
diff --git a/src/test/java/com/siftscience/TransactionEventTest.java b/src/test/java/com/siftscience/TransactionEventTest.java
index bbd52b54..da10ee10 100644
--- a/src/test/java/com/siftscience/TransactionEventTest.java
+++ b/src/test/java/com/siftscience/TransactionEventTest.java
@@ -383,7 +383,7 @@ public void testTransactionEventWithSentAndReceivedAddresses() throws Exception
                 "      \"$region\"       : \"New Hampshire\",\n" +
                 "      \"$country\"      : \"US\",\n" +
                 "      \"$zipcode\"      : \"03257\"\n" +
-                "  },\n" +
+                "  }\n" +
                 "}";
 
         // Start a new mock server and enqueue a mock response.
@@ -469,7 +469,7 @@ public void testTransactionEventWithMerchantAnd3dsFields() throws Exception {
                 "  },\n" +
                 "  \"$merchant_initiated_transaction\"   : true,\n" +
                 "  \"$triggered_3ds\"   : \"$processor\",\n" +
-                "  \"$status_3ds\"   : \"$successful\",\n" +
+                "  \"$status_3ds\"   : \"$successful\"\n" +
                 "}";
 
         // Start a new mock server and enqueue a mock response.
@@ -539,7 +539,7 @@ public void testTransactionEventWithSepaPaymentMethod() throws Exception {
                 "      \"$shortened_iban_first6\"     : \"FR7630\",\n" +
                 "      \"$shortened_iban_last4\"      : \"1234\",\n" +
                 "      \"$sepa_direct_debit_mandate\" : true\n" +
-                "  },\n" +
+                "  }\n" +
                 "}";
 
         // Start a new mock server and enqueue a mock response.
@@ -602,7 +602,7 @@ public void testTransactionEventWithCryptoFields() throws Exception {
             "\n" +
             "  \"$payment_method\"   : {\n" +
             "      \"$wallet_address\" : \"ZplYVmchAoywfMvC8jCiKlBLfKSBiFtHU6\",\n" +
-            "      \"$wallet_type\"    : \"$crypto\",\n" +
+            "      \"$wallet_type\"    : \"$crypto\"\n" +
             "  },\n" +
             "  \"$digital_orders\" : [\n" +
             "    {\n" +
@@ -610,11 +610,11 @@ public void testTransactionEventWithCryptoFields() throws Exception {
             "      \"$pair\"          : \"BTC_USD\",\n" +
             "      \"$asset_type\"    : \"$crypto\",\n" +
             "      \"$order_type\"    : \"$market\",\n" +
-            "      \"$volume\"        : \"6.0\",\n" +
+            "      \"$volume\"        : \"6.0\"\n" +
             "    }\n" +
             "  ],\n" +
             "  \"$receiver_wallet_address\"   : \"jx17gVqSyo9m4MrhuhuYEUXdCicdof85Bl\",\n" +
-            "  \"$receiver_external_address\" : true,\n" +
+            "  \"$receiver_external_address\" : true\n" +
             "}";
 
         // Start a new mock server and enqueue a mock response.
@@ -683,7 +683,7 @@ public void testTransactionEventWithExtraDepositFields() throws Exception {
             "  \"$minimum_deposit_amount\" : 5000,\n" +
             "  \"$maximum_deposit_amount\" : 100000000,\n" +
             "  \"$current_balance\"        : 500000,\n" +
-            "  \"$new_balance\"            : 1000000,\n" +
+            "  \"$new_balance\"            : 1000000\n" +
             "}";
 
         // Start a new mock server and enqueue a mock response.
@@ -747,7 +747,7 @@ public void testTransactionEventWithExtraWithdrawalFields() throws Exception {
             "  \"$minimum_withdrawal_amount\" : 5000,\n" +
             "  \"$maximum_withdrawal_amount\" : 100000000,\n" +
             "  \"$current_balance\"           : 1000000,\n" +
-            "  \"$new_balance\"               : 500000,\n" +
+            "  \"$new_balance\"               : 500000\n" +
             "}";
 
         // Start a new mock server and enqueue a mock response.
@@ -822,8 +822,8 @@ public void testTransactionEventWithBinMetadata() throws Exception {
             "          \"$type\"   : \"CREDIT\",\n" +
             "          \"$brand\"  : \"VISA\",\n" +
             "          \"$bank\"   : \"Chase\"\n" +
-            "      },\n" +
-            "  },\n" +
+            "      }\n" +
+            "  }\n" +
             "}";
 
         // Start a new mock server and enqueue a mock response.
@@ -889,8 +889,8 @@ public void testTransactionEventWithExchangeRate() throws Exception {
             "  \"$currency_code\"    : \"EUR\",\n" +
             "  \"$exchange_rate\"    : {\n" +
             "      \"$quote_currency_code\" : \"USD\",\n" +
-            "      \"$rate\"                : 1.15,\n" +
-            "  },\n" +
+            "      \"$rate\"                : 1.15\n" +
+            "  }\n" +
             "}";
 
         // Start a new mock server and enqueue a mock response.
diff --git a/src/test/java/com/siftscience/UpdateOrderEventTest.java b/src/test/java/com/siftscience/UpdateOrderEventTest.java
index d4b65517..61846f72 100644
--- a/src/test/java/com/siftscience/UpdateOrderEventTest.java
+++ b/src/test/java/com/siftscience/UpdateOrderEventTest.java
@@ -900,7 +900,7 @@ public void testUpdateOrderEventWithMerchantProfileField()
             "      \"$region\"    : \"New Hampshire\",\n" +
             "      \"$zipcode\"   : \"03257\"\n" +
             "    }\n" +
-            "  },\n" +
+            "  }\n" +
             "}\n";
 
         // Start a new mock server and enqueue a mock response.
@@ -972,7 +972,7 @@ public void testUpdateOrderEventWithCryptoFields()
             "  \"$payment_methods\": [\n" +
             "    {\n" +
             "      \"$wallet_address\": \"ZplYVmchAoywfMvC8jCiKlBLfKSBiFtHU6\",\n" +
-            "      \"$wallet_type\": \"$crypto\",\n" +
+            "      \"$wallet_type\": \"$crypto\"\n" +
             "    }\n" +
             "  ],\n" +
             "  \"$digital_orders\" : [\n" +
@@ -981,9 +981,9 @@ public void testUpdateOrderEventWithCryptoFields()
             "      \"$pair\"          : \"BTC_USD\",\n" +
             "      \"$asset_type\"    : \"$crypto\",\n" +
             "      \"$order_type\"    : \"$market\",\n" +
-            "      \"$volume\"        : \"6.0\",\n" +
+            "      \"$volume\"        : \"6.0\"\n" +
             "    }\n" +
-            "  ],\n" +
+            "  ]\n" +
             "}\n";
 
         // Start a new mock server and enqueue a mock response.
diff --git a/src/test/java/com/siftscience/UpdatePasswordEventTest.java b/src/test/java/com/siftscience/UpdatePasswordEventTest.java
index 92609e95..0c6e14ce 100644
--- a/src/test/java/com/siftscience/UpdatePasswordEventTest.java
+++ b/src/test/java/com/siftscience/UpdatePasswordEventTest.java
@@ -31,7 +31,7 @@ public void testUpdatePassword() throws Exception {
                 "      \"$device_manufacturer\" : \"Apple\",\n" +
                 "      \"$device_model\" : \"iPhone 4,2\",\n" +
                 "      \"$device_unique_id\" : \"A3D261E4-DE0A-470B-9E4A-720F3D3D22E6\",\n" +
-                "      \"$app_version\" : \"3.2.7\",\n" +
+                "      \"$app_version\" : \"3.2.7\"\n" +
                 "  },\n" +
                 " \"$reason\" : \"$forced_reset\",\n" +
                 " \"$status\" : \"$success\",\n" +
diff --git a/src/test/java/com/siftscience/VerificationEventTest.java b/src/test/java/com/siftscience/VerificationEventTest.java
index 5b07b9f1..081fbcbd 100644
--- a/src/test/java/com/siftscience/VerificationEventTest.java
+++ b/src/test/java/com/siftscience/VerificationEventTest.java
@@ -33,7 +33,7 @@ public void testVerification() throws Exception {
                 "      \"$device_manufacturer\" : \"Apple\",\n" +
                 "      \"$device_model\" : \"iPhone 4,2\",\n" +
                 "      \"$device_unique_id\" : \"A3D261E4-DE0A-470B-9E4A-720F3D3D22E6\",\n" +
-                "      \"$app_version\" : \"3.2.7\",\n" +
+                "      \"$app_version\" : \"3.2.7\"\n" +
                 "  },\n" +
                 "  \"$status\"       : \"$pending\",\n" +
                 "  \"$verification_type\" : \"$sms\",\n" +
@@ -41,7 +41,7 @@ public void testVerification() throws Exception {
                 "  \"$verified_event\" : \"" + verifiedEvent + "\",\n" +
                 "  \"$verified_entity_id\" : \"" + verifiedEntityId + "\",\n" +
                 "  \"$reason\" : \"" + reason + "\",\n" +
-                "  \"$ip\" : \"128.148.1.135\",\n" +
+                "  \"$ip\" : \"128.148.1.135\"\n" +
                 "}";
 
         // Start a new mock server and enqueue a mock response.
diff --git a/src/test/java/com/siftscience/WagerFieldSetTest.java b/src/test/java/com/siftscience/WagerFieldSetTest.java
index 0f9edcfd..06777f8e 100644
--- a/src/test/java/com/siftscience/WagerFieldSetTest.java
+++ b/src/test/java/com/siftscience/WagerFieldSetTest.java
@@ -31,7 +31,7 @@ public void testWagerEvent() throws Exception {
             "  \"$wager_event_type\"     : \"sportsbook\",\n" +
             "  \"$wager_event_name\"     : \"NFL\",\n" +
             "  \"$wager_event_id\"       : \"NFL_2024_N1234\",\n" +
-            "  \"$minimum_wager_amount\" : 1000000,\n" +
+            "  \"$minimum_wager_amount\" : 1000000\n" +
             "}";
 
         // Start a new mock server and enqueue a mock response.