diff --git a/samples/client/petstore/cpp-qt5/.openapi-generator/VERSION b/samples/client/petstore/cpp-qt5/.openapi-generator/VERSION
index b5d898602c2c..d99e7162d01f 100644
--- a/samples/client/petstore/cpp-qt5/.openapi-generator/VERSION
+++ b/samples/client/petstore/cpp-qt5/.openapi-generator/VERSION
@@ -1 +1 @@
-4.3.1-SNAPSHOT
\ No newline at end of file
+5.0.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/java/jersey2-java7/pom.xml b/samples/client/petstore/java/jersey2-java7/pom.xml
index f299e5a8b38b..b3bb5b95670f 100644
--- a/samples/client/petstore/java/jersey2-java7/pom.xml
+++ b/samples/client/petstore/java/jersey2-java7/pom.xml
@@ -279,11 +279,6 @@
             <artifactId>migbase64</artifactId>
             <version>2.2</version>
         </dependency>
-        <dependency>
-            <groupId>org.tomitribe</groupId>
-            <artifactId>tomitribe-http-signatures</artifactId>
-            <version>${http-signature-version}</version>
-        </dependency>
         <dependency>
             <groupId>com.github.scribejava</groupId>
             <artifactId>scribejava-apis</artifactId>
@@ -306,7 +301,6 @@
         <jackson-databind-nullable-version>0.2.1</jackson-databind-nullable-version>
         <threetenbp-version>2.9.10</threetenbp-version>
         <junit-version>4.13</junit-version>
-        <http-signature-version>1.4</http-signature-version>
         <scribejava-apis-version>6.9.0</scribejava-apis-version>
     </properties>
 </project>
diff --git a/samples/client/petstore/java/jersey2-java8/pom.xml b/samples/client/petstore/java/jersey2-java8/pom.xml
index f3a8ffe108b6..59d6a7c0da48 100644
--- a/samples/client/petstore/java/jersey2-java8/pom.xml
+++ b/samples/client/petstore/java/jersey2-java8/pom.xml
@@ -273,11 +273,6 @@
             <artifactId>jackson-datatype-jsr310</artifactId>
             <version>${jackson-version}</version>
         </dependency>
-        <dependency>
-            <groupId>org.tomitribe</groupId>
-            <artifactId>tomitribe-http-signatures</artifactId>
-            <version>${http-signature-version}</version>
-        </dependency>
         <dependency>
             <groupId>com.github.scribejava</groupId>
             <artifactId>scribejava-apis</artifactId>
@@ -299,7 +294,6 @@
         <jackson-databind-version>2.10.4</jackson-databind-version>
         <jackson-databind-nullable-version>0.2.1</jackson-databind-nullable-version>
         <junit-version>4.13</junit-version>
-        <http-signature-version>1.4</http-signature-version>
         <scribejava-apis-version>6.9.0</scribejava-apis-version>
     </properties>
 </project>