diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8c897f6d..ba0dbe06 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 ## Changelog
 
+### [13.3.2](https://kaos.sh/ek/13.3.2)
+
+- `[support/apps]` Added support for Docker, Podman, and LXC
+- `[rand]` Removed method `Int`
+- `[rand]` Code refactoring
+
 ### [13.3.1](https://kaos.sh/ek/13.3.1)
 
 - `[cache]` Added constants with duration
diff --git a/cache/fs/fs.go b/cache/fs/fs.go
index b2083e7a..549fbc47 100644
--- a/cache/fs/fs.go
+++ b/cache/fs/fs.go
@@ -271,6 +271,14 @@ func (c Config) Validate() error {
 
 // ////////////////////////////////////////////////////////////////////////////////// //
 
+// func encodeItem(item any) ([]byte, error) {
+// 	return nil, nil
+// }
+
+// func decodeItem() ([]byte, error) {
+// 	return nil, nil
+// }
+
 // getItemPath returns path to cache item
 func (c *Cache) getItemPath(key string, temporary bool) string {
 	if temporary {
diff --git a/go.mod b/go.mod
index 51fab7a0..0852eac9 100644
--- a/go.mod
+++ b/go.mod
@@ -1,13 +1,13 @@
 module github.com/essentialkaos/ek/v13
 
-go 1.18
+go 1.21
 
 require (
 	github.com/essentialkaos/check v1.4.0
 	github.com/essentialkaos/depsy v1.3.0
 	github.com/essentialkaos/go-linenoise/v3 v3.6.0
-	golang.org/x/crypto v0.25.0
-	golang.org/x/sys v0.22.0
+	golang.org/x/crypto v0.26.0
+	golang.org/x/sys v0.24.0
 )
 
 require (
diff --git a/go.sum b/go.sum
index b0ed1b35..df0bdc87 100644
--- a/go.sum
+++ b/go.sum
@@ -13,7 +13,7 @@ github.com/pkg/diff v0.0.0-20210226163009-20ebb0f2a09e/go.mod h1:pJLUxLENpZxwdsK
 github.com/rogpeppe/go-internal v1.9.0/go.mod h1:WtVeX8xhTBvf0smdhujwtBcq4Qrzq/fJaraNFVN+nFs=
 github.com/rogpeppe/go-internal v1.11.0 h1:cWPaGQEPrBb5/AsnsZesgZZ9yb1OQ+GOISoDNXVBh4M=
 github.com/rogpeppe/go-internal v1.11.0/go.mod h1:ddIwULY96R17DhadqLgMfk9H9tvdUzkipdSkR5nkCZA=
-golang.org/x/crypto v0.25.0 h1:ypSNr+bnYL2YhwoMt2zPxHFmbAN1KZs/njMG3hxUp30=
-golang.org/x/crypto v0.25.0/go.mod h1:T+wALwcMOSE0kXgUAnPAHqTLW+XHgcELELW8VaDgm/M=
-golang.org/x/sys v0.22.0 h1:RI27ohtqKCnwULzJLqkv897zojh5/DwS/ENaMzUOaWI=
-golang.org/x/sys v0.22.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/crypto v0.26.0 h1:RrRspgV4mU+YwB4FYnuBoKsUapNIL5cohGAmSH3azsw=
+golang.org/x/crypto v0.26.0/go.mod h1:GY7jblb9wI+FOo5y8/S2oY4zWP07AkOJ4+jxCqdqn54=
+golang.org/x/sys v0.24.0 h1:Twjiwq9dn6R1fQcyiK+wQyHWfaz/BJB+YIpzU/Cv3Xg=
+golang.org/x/sys v0.24.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
diff --git a/rand/rand.go b/rand/rand.go
index 2b2d053f..88a3993a 100644
--- a/rand/rand.go
+++ b/rand/rand.go
@@ -25,35 +25,29 @@ func String(length int) string {
 		return ""
 	}
 
+	rnd := rand.New(rand.NewSource(time.Now().UTC().UnixNano()))
 	symbolsLength := len(symbols)
 	result := make([]byte, length)
 
-	rand.Seed(time.Now().UTC().UnixNano())
-
 	for i := 0; i < length; i++ {
-		result[i] = symbols[rand.Intn(symbolsLength)]
+		result[i] = symbols[rnd.Intn(symbolsLength)]
 	}
 
 	return string(result)
 }
 
-// Int returns random int
-func Int(n int) int {
-	rand.Seed(time.Now().UTC().UnixNano())
-	return rand.Intn(n)
-}
-
 // Slice returns slice with random chars
 func Slice(length int) []string {
 	if length == 0 {
 		return []string{}
 	}
 
+	rnd := rand.New(rand.NewSource(time.Now().UTC().UnixNano()))
 	symbolsLength := len(symbols)
 	result := make([]string, length)
 
 	for i := 0; i < length; i++ {
-		result[i] = string(symbols[rand.Intn(symbolsLength)])
+		result[i] = string(symbols[rnd.Intn(symbolsLength)])
 	}
 
 	return result
diff --git a/rand/rand_test.go b/rand/rand_test.go
index 0c0eb000..6dfcd24b 100644
--- a/rand/rand_test.go
+++ b/rand/rand_test.go
@@ -33,17 +33,6 @@ func (s *RandSuite) TestString(c *C) {
 	c.Assert(len(String(-100)), Equals, 0)
 }
 
-func (s *RandSuite) TestInt(c *C) {
-	n := 1000
-	k := 0
-
-	for i := 0; i < 1000; i++ {
-		k += Int(n)
-	}
-
-	c.Assert(k/n, Not(Equals), n)
-}
-
 func (s *RandSuite) TestSlice(c *C) {
 	t1 := strings.Join(Slice(256), "")
 	t2 := strings.Join(Slice(256), "")
diff --git a/support/apps/apps.go b/support/apps/apps.go
index 00cf2424..779afa06 100644
--- a/support/apps/apps.go
+++ b/support/apps/apps.go
@@ -116,6 +116,24 @@ func SVN() support.App {
 	return support.App{"svn", ver}
 }
 
+// Docker extracts version info from Docker command output
+func Docker() support.App {
+	ver := extractField(execVersionCmd("docker", "--version"), 0, 2)
+	return support.App{"docker", ver}
+}
+
+// Podman extracts version info from Podman command output
+func Podman() support.App {
+	ver := extractField(execVersionCmd("podman", "--version"), 0, 2)
+	return support.App{"podman", ver}
+}
+
+// LXC extracts version info from LXC command output
+func LXC() support.App {
+	ver := extractField(execVersionCmd("lxc", "--version"), 0, 0)
+	return support.App{"lxc", ver}
+}
+
 // ////////////////////////////////////////////////////////////////////////////////// //
 
 // execVersionCmd execs command and returns output as a string
diff --git a/version.go b/version.go
index 065e0a4b..feb300e1 100644
--- a/version.go
+++ b/version.go
@@ -8,4 +8,4 @@ package ek
 // ////////////////////////////////////////////////////////////////////////////////// //
 
 // VERSION is current ek package version
-const VERSION = "13.3.1"
+const VERSION = "13.3.2"