diff --git a/ci/Jenkinsfile b/ci/Jenkinsfile
index 097ce0be4..cc521a31d 100644
--- a/ci/Jenkinsfile
+++ b/ci/Jenkinsfile
@@ -6,7 +6,7 @@
  *   * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
  * at your option. This file may not be copied, modified, or distributed except according to those terms.
  */
-library 'status-jenkins-lib@v1.8.14'
+library 'status-jenkins-lib@v1.9.2'
 
 pipeline {
   /* This way we run the same Jenkinsfile on different platforms. */
diff --git a/ci/Jenkinsfile.nix b/ci/Jenkinsfile.nix
deleted file mode 100644
index 44607fcca..000000000
--- a/ci/Jenkinsfile.nix
+++ /dev/null
@@ -1,85 +0,0 @@
-#!/usr/bin/env groovy
-/* beacon_chain
- * Copyright (c) 2019-2024 Status Research & Development GmbH
- * Licensed and distributed under either of
- *   * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
- *   * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
- * at your option. This file may not be copied, modified, or distributed except according to those terms.
- */
-library 'status-jenkins-lib@nix/flake-build'
-
-pipeline {
-  /* This way we run the same Jenkinsfile on different platforms. */
-  agent { label params.AGENT_LABEL }
-
-  parameters {
-    string(
-      name: 'AGENT_LABEL',
-      description: 'Label for targetted CI slave host: linux/macos',
-      defaultValue: params.AGENT_LABEL ?: getAgentLabel(),
-    )
-    choice(
-      name: 'VERBOSITY',
-      description: 'Value for the V make flag to increase log verbosity',
-      choices: [0, 1, 2]
-    )
-  }
-
-  options {
-    timestamps()
-    ansiColor('xterm')
-    /* This also includes wait time in the queue. */
-    timeout(time: 1, unit: 'HOURS')
-    /* Limit builds retained. */
-    buildDiscarder(logRotator(
-      numToKeepStr: '5',
-      daysToKeepStr: '30',
-    ))
-    /* Abort old builds for non-main branches. */
-    disableConcurrentBuilds(
-      abortPrevious: !isMainBranch()
-    )
-  }
-
-  stages {
-    stage('Beacon Node') {
-      steps { script {
-        nix.flake('beacon_node')
-      } }
-    }
-
-    stage('Version check') {
-      steps { script {
-        sh 'result/bin/nimbus_beacon_node --version'
-      } }
-    }
-  }
-
-  post {
-    always {
-      cleanWs(
-        disableDeferredWipeout: true,
-        deleteDirs: true
-      )
-    }
-  }
-}
-
-def isMainBranch() {
-  return ['stable', 'testing', 'unstable'].contains(env.BRANCH_NAME)
-}
-
-/* This allows us to use one Jenkinsfile and run
- * jobs on different platforms based on job name. */
-def getAgentLabel() {
-    if (params.AGENT_LABEL) { return params.AGENT_LABEL }
-    /* We extract the name of the job from currentThread because
-     * before an agent is picket env is not available. */
-    def tokens = Thread.currentThread().getName().split('/')
-    def labels = []
-    /* Check if the job path contains any of the valid labels. */
-    ['linux', 'macos', 'x86_64', 'aarch64', 'arm64'].each {
-        if (tokens.contains(it)) { labels.add(it) }
-    }
-    return labels.join(' && ')
-}
diff --git a/ci/Jenkinsfile.nix b/ci/Jenkinsfile.nix
new file mode 120000
index 000000000..87764d4ee
--- /dev/null
+++ b/ci/Jenkinsfile.nix
@@ -0,0 +1 @@
+nix.Jenkinsfile
\ No newline at end of file
diff --git a/ci/nix.Jenkinsfile b/ci/nix.Jenkinsfile
new file mode 100644
index 000000000..1c8d904cc
--- /dev/null
+++ b/ci/nix.Jenkinsfile
@@ -0,0 +1,85 @@
+#!/usr/bin/env groovy
+/* beacon_chain
+ * Copyright (c) 2019-2024 Status Research & Development GmbH
+ * Licensed and distributed under either of
+ *   * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
+ *   * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
+ * at your option. This file may not be copied, modified, or distributed except according to those terms.
+ */
+library 'status-jenkins-lib@v1.9.2'
+
+pipeline {
+  /* This way we run the same Jenkinsfile on different platforms. */
+  agent { label params.AGENT_LABEL }
+
+  parameters {
+    string(
+      name: 'AGENT_LABEL',
+      description: 'Label for targetted CI slave host: linux/macos',
+      defaultValue: params.AGENT_LABEL ?: getAgentLabel(),
+    )
+    choice(
+      name: 'VERBOSITY',
+      description: 'Value for the V make flag to increase log verbosity',
+      choices: [0, 1, 2]
+    )
+  }
+
+  options {
+    timestamps()
+    ansiColor('xterm')
+    /* This also includes wait time in the queue. */
+    timeout(time: 1, unit: 'HOURS')
+    /* Limit builds retained. */
+    buildDiscarder(logRotator(
+      numToKeepStr: '5',
+      daysToKeepStr: '30',
+    ))
+    /* Abort old builds for non-main branches. */
+    disableConcurrentBuilds(
+      abortPrevious: !isMainBranch()
+    )
+  }
+
+  stages {
+    stage('Beacon Node') {
+      steps { script {
+        nix.flake('beacon_node')
+      } }
+    }
+
+    stage('Version check') {
+      steps { script {
+        sh 'result/bin/nimbus_beacon_node --version'
+      } }
+    }
+  }
+
+  post {
+    always {
+      cleanWs(
+        disableDeferredWipeout: true,
+        deleteDirs: true
+      )
+    }
+  }
+}
+
+def isMainBranch() {
+  return ['stable', 'testing', 'unstable'].contains(env.BRANCH_NAME)
+}
+
+/* This allows us to use one Jenkinsfile and run
+ * jobs on different platforms based on job name. */
+def getAgentLabel() {
+    if (params.AGENT_LABEL) { return params.AGENT_LABEL }
+    /* We extract the name of the job from currentThread because
+     * before an agent is picket env is not available. */
+    def tokens = Thread.currentThread().getName().split('/')
+    def labels = []
+    /* Check if the job path contains any of the valid labels. */
+    ['linux', 'macos', 'x86_64', 'aarch64', 'arm64'].each {
+        if (tokens.contains(it)) { labels.add(it) }
+    }
+    return labels.join(' && ')
+}
diff --git a/nix/checksums.nix b/nix/checksums.nix
index c3b322e3a..2c8f2c54c 100644
--- a/nix/checksums.nix
+++ b/nix/checksums.nix
@@ -8,5 +8,5 @@ in pkgs.fetchFromGitHub {
   repo = "checksums";
   rev = tools.findKeyValue "^ +ChecksumsStableCommit = \"([a-f0-9]+)\"$" sourceFile;
   # WARNING: Requires manual updates when Nim compiler version changes.
-  hash = "sha256-AIiMBqLcGJCTkINHfJ2dN3ogitU7Za9Z9Sv9zjKeOQk=";
+  hash = "sha256-RB2IXs2xcfYHhV9d7l1mtHW51mtsrqrYRapSoTikvHw=";
 }
diff --git a/nix/tools.nix b/nix/tools.nix
index 1a9736862..108d38606 100644
--- a/nix/tools.nix
+++ b/nix/tools.nix
@@ -7,7 +7,7 @@ let
 in {
   findKeyValue = regex: sourceFile:
     let
-      linesFrom = sourceFile: splitString "\n" (fileContents sourceFile);
+      linesFrom = file: splitString "\n" (fileContents file);
       matching = regex: lines: map (line: match regex line) lines;
       extractMatch = matches: last (flatten (remove null matches));
     in