diff --git a/pom.xml b/pom.xml
index 54db78436..44d3c369d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -223,6 +223,11 @@ THE SOFTWARE.
         </exclusion>
       </exclusions>
     </dependency>
+    <dependency>
+      <groupId>io.jenkins.test.fips</groupId>
+      <artifactId>fips-bundle-test</artifactId>
+      <version>23.v76d4fd57f5b_d</version>
+    </dependency>
     <dependency>
       <groupId>org.junit.jupiter</groupId>
       <artifactId>junit-jupiter-api</artifactId>
diff --git a/src/main/java/org/jvnet/hudson/test/RealJenkinsRule.java b/src/main/java/org/jvnet/hudson/test/RealJenkinsRule.java
index 59bc76fd0..ea784989b 100644
--- a/src/main/java/org/jvnet/hudson/test/RealJenkinsRule.java
+++ b/src/main/java/org/jvnet/hudson/test/RealJenkinsRule.java
@@ -65,6 +65,7 @@
 import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
+import java.util.Objects;
 import java.util.Set;
 import java.util.TreeMap;
 import java.util.TreeSet;
@@ -90,6 +91,8 @@
 import javax.servlet.ServletException;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
+
+import io.jenkins.test.fips.FIPSTestBundleProvider;
 import jenkins.model.Jenkins;
 import jenkins.model.JenkinsLocationConfiguration;
 import jenkins.util.Timer;
@@ -200,6 +203,7 @@ public final class RealJenkinsRule implements TestRule {
 
     private boolean prepareHomeLazily;
     private boolean provisioned;
+    private final List<File> bootClasspathFiles = new ArrayList<>();
 
     // TODO may need to be relaxed for Gradle-based plugins
     private static final Pattern SNAPSHOT_INDEX_JELLY = Pattern.compile("(file:/.+/target)/classes/index.jelly");
@@ -457,6 +461,36 @@ public RealJenkinsRule prepareHomeLazily(boolean prepareHomeLazily) {
         return this;
     }
 
+    /**
+     * Use {@link #withFIPSEnabled(FIPSTestBundleProvider)}  with default value of {@link FIPSTestBundleProvider#get()}
+     */
+    public RealJenkinsRule withFIPSEnabled() {
+        return withFIPSEnabled(FIPSTestBundleProvider.get());
+    }
+
+    /**
+     +
+     * @param fipsTestBundleProvider the {@link FIPSTestBundleProvider} to use for testing
+     */
+    public RealJenkinsRule withFIPSEnabled(FIPSTestBundleProvider fipsTestBundleProvider) {
+        Objects.requireNonNull(fipsTestBundleProvider, "fipsTestBundleProvider must not be null");
+        try {
+            return withBootClasspath(fipsTestBundleProvider.getBootClasspathFiles().toArray(new File[0]))
+                    .javaOptions(fipsTestBundleProvider.getJavaOptions().toArray(new String[0]));
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    /**
+     *
+     * @param files add some {@link File} to bootclasspath
+     */
+    public RealJenkinsRule withBootClasspath(File...files) {
+        this.bootClasspathFiles.addAll(List.of(files));
+        return this;
+    }
+
     public static List<String> getJacocoAgentOptions() {
         RuntimeMXBean runtimeMxBean = ManagementFactory.getRuntimeMXBean();
         List<String> arguments = runtimeMxBean.getInputArguments();
@@ -744,8 +778,12 @@ public void startJenkins() throws Throwable {
                     + ",suspend=" + (debugSuspend ? "y" : "n")
                     + (debugPort > 0 ? ",address=" + httpListenAddress + ":" + debugPort : ""));
         }
-        argv.addAll(javaOptions);
+        if(!bootClasspathFiles.isEmpty()) {
+            String fileList = bootClasspathFiles.stream().map(File::getAbsolutePath).collect(Collectors.joining(File.pathSeparator));
+            argv.add("-Xbootclasspath/a:" + fileList);
 
+        }
+        argv.addAll(javaOptions);
 
         argv.addAll(List.of(
                 "-jar", war.getAbsolutePath(),
diff --git a/src/test/java/org/jvnet/hudson/test/RealJenkinsRuleFIPSTest.java b/src/test/java/org/jvnet/hudson/test/RealJenkinsRuleFIPSTest.java
new file mode 100644
index 000000000..336dcabbd
--- /dev/null
+++ b/src/test/java/org/jvnet/hudson/test/RealJenkinsRuleFIPSTest.java
@@ -0,0 +1,73 @@
+/*
+ * The MIT License
+ *
+ * Copyright 2024 Olivier Lamy
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package org.jvnet.hudson.test;
+
+import io.jenkins.test.fips.FIPSTestBundleProvider;
+import jenkins.security.FIPS140;
+import org.junit.Rule;
+import org.junit.Test;
+
+import javax.net.ssl.KeyManagerFactory;
+import java.security.KeyStore;
+import java.security.Provider;
+import java.security.Security;
+import java.util.Arrays;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.is;
+import static org.hamcrest.Matchers.notNullValue;
+
+public class RealJenkinsRuleFIPSTest {
+
+    @Rule public RealJenkinsRule rr = new RealJenkinsRule().prepareHomeLazily(true)
+            .withDebugPort(4001).withDebugServer(false)
+            .withFIPSEnabled(FIPSTestBundleProvider.get())
+            .javaOptions("-Djava.security.debug=properties");
+
+    @Test
+    public void fipsMode() throws Throwable {
+        rr.then(r -> {
+            Provider[] providers = Security.getProviders();
+            System.out.println("fipsMode providers:" + Arrays.asList(providers));
+
+            Class<?> clazz = Thread.currentThread().getContextClassLoader().loadClass("org.bouncycastle.jcajce.provider.BouncyCastleFipsProvider");
+            System.out.println("BouncyCastleFipsProvider class:" + clazz);
+
+            Provider provider = Security.getProvider("BCFIPS");
+            assertThat(provider, notNullValue());
+            assertThat(provider.getClass().getName(), is("org.bouncycastle.jcajce.provider.BouncyCastleFipsProvider"));
+            assertThat(providers[0].getClass().getName(), is("org.bouncycastle.jcajce.provider.BouncyCastleFipsProvider"));
+            assertThat(providers[1].getClass().getName(), is("org.bouncycastle.jsse.provider.BouncyCastleJsseProvider"));
+            assertThat(providers[2].getClass().getName(), is("sun.security.provider.Sun"));
+            assertThat(KeyStore.getDefaultType(), is("BCFKS"));
+            assertThat(KeyManagerFactory.getDefaultAlgorithm(), is("PKIX"));
+
+            assertThat(providers.length, is(3));
+
+            assertThat(FIPS140.useCompliantAlgorithms(), is(true));
+        });
+    }
+
+}