diff --git a/lib/berkeley_library/docker.rb b/lib/berkeley_library/docker.rb
index c673670..d21ce55 100644
--- a/lib/berkeley_library/docker.rb
+++ b/lib/berkeley_library/docker.rb
@@ -14,7 +14,7 @@ def running_in_container?
 
       def init_cgroup_is_dockerish?
         begin
-          File.open('/proc/1/cgroup').read.match?(%r{(/docker|/lxc)})
+          File.open('/proc/1/cgroup').read.match?(%r{(/docker|/lxc|/kubepods)})
         rescue
           false
         end
diff --git a/spec/berkeley_library/docker_spec.rb b/spec/berkeley_library/docker_spec.rb
index 5e3f68f..cd90146 100644
--- a/spec/berkeley_library/docker_spec.rb
+++ b/spec/berkeley_library/docker_spec.rb
@@ -19,6 +19,20 @@ module BerkeleyLibrary
         1:name=systemd:/docker/12345
       EOL
 
+      KUBEISH_CGROUP = <<~EOL
+        11:perf_event:/kubepods.slice/kubepods-besteffort.slice/kubepods-besteffort-pod9a_bc_de_f0_12.slice/cri-containerd-12345.scope
+        10:hugetlb:/kubepods.slice/kubepods-besteffort.slice/kubepods-besteffort-pod9a_bc_de_f0_12.slice/cri-containerd-12345.scope
+        9:devices:/kubepods.slice/kubepods-besteffort.slice/kubepods-besteffort-pod9a_bc_de_f0_12.slice/cri-containerd-12345.scope
+        8:net_cls,net_prio:/kubepods.slice/kubepods-besteffort.slice/kubepods-besteffort-pod9a_bc_de_f0_12.slice/cri-containerd-12345.scope
+        7:blkio:/kubepods.slice/kubepods-besteffort.slice/kubepods-besteffort-pod9a_bc_de_f0_12.slice/cri-containerd-12345.scope
+        6:cpu,cpuacct:/kubepods.slice/kubepods-besteffort.slice/kubepods-besteffort-pod9a_bc_de_f0_12.slice/cri-containerd-12345.scope
+        5:pids:/kubepods.slice/kubepods-besteffort.slice/kubepods-besteffort-pod9a_bc_de_f0_12.slice/cri-containerd-12345.scope
+        4:cpuset:/kubepods.slice/kubepods-besteffort.slice/kubepods-besteffort-pod9a_bc_de_f0_12.slice/cri-containerd-12345.scope
+        3:freezer:/kubepods.slice/kubepods-besteffort.slice/kubepods-besteffort-pod9a_bc_de_f0_12.slice/cri-containerd-12345.scope
+        2:memory:/kubepods.slice/kubepods-besteffort.slice/kubepods-besteffort-pod9a_bc_de_f0_12.slice/cri-containerd-12345.scope
+        1:name=systemd:/kubepods.slice/kubepods-besteffort.slice/kubepods-besteffort-pod9a_bc_de_f0_12.slice/cri-containerd-12345.scope
+      EOL
+
       TRADITIONAL_CGROUP = <<~EOL
         11:cpuacct,cpu:/
         10:devices:/
@@ -33,6 +47,12 @@ module BerkeleyLibrary
         1:name=systemd:/
       EOL
 
+      CGROUPS = {
+        trad: TRADITIONAL_CGROUP,
+        kube: KUBEISH_CGROUP,
+        docker: DOCKERISH_CGROUP
+      }
+
       it 'is true when /.dockerenv exists' do
         mock_dockerenv
         expect(BerkeleyLibrary::Docker.running_in_container?).to be true
@@ -40,13 +60,19 @@ module BerkeleyLibrary
 
       it 'is true when /proc/1/cgroup is docker-like' do
         mock_dockerenv(false)
-        mock_init_cgroup
+        mock_init_cgroup(:docker)
+        expect(BerkeleyLibrary::Docker.running_in_container?).to be true
+      end
+
+      it 'is true when /proc/1/cgroup is kube-like' do
+        mock_dockerenv(false)
+        mock_init_cgroup(:kube)
         expect(BerkeleyLibrary::Docker.running_in_container?).to be true
       end
 
       it 'is false when /proc/1/cgroup is traditional' do
         mock_dockerenv(false)
-        mock_init_cgroup(false)
+        mock_init_cgroup(:trad)
         expect(BerkeleyLibrary::Docker.running_in_container?).to be false
       end
 
@@ -66,11 +92,11 @@ def mock_dockerenv(exists = true)
           .and_return(exists)
       end
 
-      def mock_init_cgroup(dockerish = true)
+      def mock_init_cgroup(type)
+        cgroup_data = CGROUPS.fetch(type)
         expect(File)
           .to receive(:open).with('/proc/1/cgroup')
-          .and_return(
-            StringIO.new(dockerish ? DOCKERISH_CGROUP : TRADITIONAL_CGROUP))
+          .and_return(StringIO.new(cgroup_data))
       end
     end
   end