diff --git a/days/day001/pom.xml b/days/day001/pom.xml
index e8c04a9..93ae3be 100644
--- a/days/day001/pom.xml
+++ b/days/day001/pom.xml
@@ -45,7 +45,7 @@
                 </plugin>
                 <plugin>
                     <artifactId>maven-surefire-plugin</artifactId>
-                    <version>3.5.3</version>
+                    <version>3.5.4</version>
                 </plugin>
                 <plugin>
                     <artifactId>maven-jar-plugin</artifactId>
diff --git a/days/day063/pom.xml b/days/day063/pom.xml
index 26752a4..bf212b8 100644
--- a/days/day063/pom.xml
+++ b/days/day063/pom.xml
@@ -14,7 +14,7 @@
         <maven.compiler.parameters>true</maven.compiler.parameters>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-        <surefire-plugin.version>3.5.3</surefire-plugin.version>
+        <surefire-plugin.version>3.5.4</surefire-plugin.version>
     </properties>
     <dependencies>
         <dependency>
diff --git a/days/day076/pom.xml b/days/day076/pom.xml
index c4f913e..9414269 100644
--- a/days/day076/pom.xml
+++ b/days/day076/pom.xml
@@ -14,7 +14,7 @@
         <maven.compiler.parameters>true</maven.compiler.parameters>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-        <surefire-plugin.version>3.5.3</surefire-plugin.version>
+        <surefire-plugin.version>3.5.4</surefire-plugin.version>
     </properties>
     <dependencies>
         <dependency>
diff --git a/days/day083/pom.xml b/days/day083/pom.xml
index 84478e2..4dc10ad 100644
--- a/days/day083/pom.xml
+++ b/days/day083/pom.xml
@@ -14,7 +14,7 @@
         <maven.compiler.parameters>true</maven.compiler.parameters>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-        <surefire-plugin.version>3.5.3</surefire-plugin.version>
+        <surefire-plugin.version>3.5.4</surefire-plugin.version>
     </properties>
     <dependencies>
         <dependency>
diff --git a/days/day084/pom.xml b/days/day084/pom.xml
index 663a366..b0157e5 100644
--- a/days/day084/pom.xml
+++ b/days/day084/pom.xml
@@ -14,7 +14,7 @@
         <maven.compiler.parameters>true</maven.compiler.parameters>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-        <surefire-plugin.version>3.5.3</surefire-plugin.version>
+        <surefire-plugin.version>3.5.4</surefire-plugin.version>
     </properties>
     <dependencies>
         <dependency>
diff --git a/days/day085/pom.xml b/days/day085/pom.xml
index 054616b..d368973 100644
--- a/days/day085/pom.xml
+++ b/days/day085/pom.xml
@@ -14,7 +14,7 @@
         <maven.compiler.parameters>true</maven.compiler.parameters>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-        <surefire-plugin.version>3.5.3</surefire-plugin.version>
+        <surefire-plugin.version>3.5.4</surefire-plugin.version>
     </properties>
     <dependencies>
         <dependency>
diff --git a/pom.xml b/pom.xml
index b7f8bad..a83102a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -143,7 +143,7 @@
                 </plugin>
                 <plugin>
                     <artifactId>maven-surefire-plugin</artifactId>
-                    <version>3.5.3</version>
+                    <version>3.5.4</version>
                 </plugin>
                 <plugin>
                     <artifactId>maven-jar-plugin</artifactId>