diff --git a/README.md b/README.md
index 0c93a28..e706ca1 100644
--- a/README.md
+++ b/README.md
@@ -29,6 +29,8 @@ Misc Options:
   --if               Run main command only if this condition runs successfully
   --ifDependency     Run main command only if packages dependencies passed the condition (not
                      available in parallel mode)                                           [boolean]
+  --if-private       Run main command only if the package is private                       [boolean]
+  --if-public        Run main command only if the package is public                        [boolean]
 
 Other Options:
   --help         Show help                                                                 [boolean]
@@ -90,3 +92,7 @@ Examples
 `yarn wsrun --stages --if build-needed build` - for each package it will first try `yarn wsrun build-needed` and only if the exit code is zero (success) it will run `yarn wsrun build`
 
 `yarn wsrun --stages --if build-needed --if-dependency build` - it will run `build` for each package in stages, if either the package's own condition command was success, or any of the dependencies had a successful condition.
+
+#### Publishing public packages
+
+`yarn wsrun --stages --if-public publish`
\ No newline at end of file
diff --git a/src/index.ts b/src/index.ts
index c6bb39b..3720f45 100755
--- a/src/index.ts
+++ b/src/index.ts
@@ -74,7 +74,9 @@ let yargsParser = yargs
       'exclude-missing',
       'report',
       'if',
-      'ifDependency'
+      'ifDependency',
+      'if-private',
+      'if-public'
     ],
     'Misc Options:'
   )
@@ -87,6 +89,14 @@ let yargsParser = yargs
         'Run main command only if packages dependencies passed the condition (not available in parallel mode)',
       boolean: true
     },
+    'if-private': {
+      describe: 'Run main command only if the package is private',
+      boolean: true
+    },
+    'if-public': {
+      describe: 'Run main command only if the package is public',
+      boolean: true
+    },
     'fast-exit': {
       boolean: true,
       describe: 'If at least one script exits with code > 0, abort'
@@ -211,6 +221,8 @@ let runner = new RunGraph(
     excludeMissing,
     showReport,
     if: argv.if || null,
+    ifPrivate: argv.ifPrivate || false,
+    ifPublic: argv.ifPublic || false,
     ifDependency: argv.ifDependency || false,
     workspacePath: process.cwd(),
     concurrency
diff --git a/src/run-graph.ts b/src/run-graph.ts
index 3796f31..072d258 100644
--- a/src/run-graph.ts
+++ b/src/run-graph.ts
@@ -44,6 +44,8 @@ export interface GraphOptions {
   excludeMissing: boolean
   showReport: boolean
   if: string
+  ifPublic: boolean
+  ifPrivate: boolean
   ifDependency: boolean
   concurrency: number | null
 }
@@ -168,11 +170,14 @@ export class RunGraph {
 
       let ifCondtition = Bromise.resolve(true)
 
-      if (
-        this.opts.if &&
-        (!this.opts.ifDependency || !depsStatuses.find(ds => ds === ProcResolution.Normal))
-      ) {
-        ifCondtition = this.runCondition(this.opts.if, pkg)
+      if (!this.opts.ifDependency || !depsStatuses.find(ds => ds === ProcResolution.Normal)) {
+        if (this.opts.if) {
+          ifCondtition = this.runCondition(this.opts.if, pkg)
+        } else if (this.opts.ifPrivate && p) {
+          ifCondtition = Bromise.resolve(p.private || false)
+        } else if (this.opts.ifPublic && p) {
+          ifCondtition = Bromise.resolve(!p.private)
+        }
       }
 
       let child = ifCondtition.then(shouldExecute => {
diff --git a/src/workspace.ts b/src/workspace.ts
index 61278bf..95a75ac 100644
--- a/src/workspace.ts
+++ b/src/workspace.ts
@@ -11,6 +11,7 @@ export type Dict<T> = { [key: string]: T }
 
 export interface PkgJson {
   name: string
+  private?: boolean
   dependencies?: Dict<string>
   devDependencies?: Dict<string>
   scripts?: { [name: string]: string }
diff --git a/tests/basic.ts b/tests/basic.ts
index 9f7efbd..775fbe3 100644
--- a/tests/basic.ts
+++ b/tests/basic.ts
@@ -1,14 +1,34 @@
 import 'jest'
 import { withScaffold, echo, wsrun } from './test.util'
 
-let pkgList = (errorp3: boolean = false, condition?: string) => [
-  echo.makePkg({ name: 'p1', dependencies: { p2: '*' } }, condition),
-  echo.makePkg({ name: 'p2', dependencies: { p3: '*', p4: '*' } }, condition),
+let pkgList = (
+  errorp3: boolean = false,
+  condition?: string,
+  privatePackages: { [key: string]: boolean } = {}
+) => [
+  echo.makePkg(
+    { name: 'p1', private: privatePackages['p1'], dependencies: { p2: '*' } },
+    condition
+  ),
+  echo.makePkg(
+    { name: 'p2', private: privatePackages['p2'], dependencies: { p3: '*', p4: '*' } },
+    condition
+  ),
   errorp3
-    ? echo.makePkgErr({ name: 'p3', dependencies: { p4: '*', p5: '*' } })
-    : echo.makePkg({ name: 'p3', dependencies: { p4: '*', p5: '*' } }, condition),
-  echo.makePkg({ name: 'p4', dependencies: { p5: '*' } }, condition),
-  echo.makePkg({ name: 'p5', dependencies: {} }, condition)
+    ? echo.makePkgErr({
+        name: 'p3',
+        private: privatePackages['p3'],
+        dependencies: { p4: '*', p5: '*' }
+      })
+    : echo.makePkg(
+        { name: 'p3', private: privatePackages['p3'], dependencies: { p4: '*', p5: '*' } },
+        condition
+      ),
+  echo.makePkg(
+    { name: 'p4', private: privatePackages['p4'], dependencies: { p5: '*' } },
+    condition
+  ),
+  echo.makePkg({ name: 'p5', private: privatePackages['p5'], dependencies: {} }, condition)
 ]
 
 describe('basic', () => {
@@ -90,6 +110,34 @@ describe('basic', () => {
     )
   })
 
+  it('should support if-private execution', async () => {
+    await withScaffold(
+      {
+        packages: pkgList(false, undefined, { p4: true })
+      },
+      async () => {
+        let tst = await wsrun('--stages -r --if-private -- doecho')
+        expect(tst.error).toBeFalsy()
+        let output = await echo.getOutput()
+        expect(output).toEqual(['p4', ''].join('\n'))
+      }
+    )
+  })
+
+  it('should support if-public execution', async () => {
+    await withScaffold(
+      {
+        packages: pkgList(false, undefined, { p1: true, p2: true, p3: true, p5: true })
+      },
+      async () => {
+        let tst = await wsrun('--stages -r --if-public -- doecho')
+        expect(tst.error).toBeFalsy()
+        let output = await echo.getOutput()
+        expect(output).toEqual(['p4', ''].join('\n'))
+      }
+    )
+  })
+
   it('should support dependant conditional execution', async () => {
     await withScaffold(
       {
diff --git a/tests/test.util.ts b/tests/test.util.ts
index 74c85be..68984ac 100644
--- a/tests/test.util.ts
+++ b/tests/test.util.ts
@@ -23,6 +23,7 @@ let mkdirpAsync = promisify(mkdirp)
 
 export type PackageJson = {
   name?: string
+  private?: boolean
   path?: string
   dependencies?: { [name: string]: string }
   devDependencies?: { [name: string]: string }