diff --git a/package-lock.json b/package-lock.json
index aa82aa4..c479619 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -66,9 +66,9 @@
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@@ -117,17 +117,17 @@
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@@ -139,9 +139,9 @@
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@@ -167,15 +167,15 @@
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+      "resolved": "https://registry.npmjs.org/@semantic-release/npm/-/npm-3.2.5.tgz",
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@@ -212,9 +212,9 @@
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@@ -325,7 +325,7 @@
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@@ -334,7 +334,7 @@
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@@ -373,7 +373,7 @@
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@@ -384,7 +384,7 @@
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@@ -404,7 +404,7 @@
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@@ -450,9 +450,9 @@
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@@ -472,7 +472,7 @@
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@@ -911,12 +911,6 @@
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@@ -1258,7 +1252,7 @@
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@@ -2035,9 +2029,9 @@
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@@ -2496,9 +2490,9 @@
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@@ -2630,9 +2624,9 @@
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@@ -2642,13 +2636,13 @@
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@@ -3589,15 +3583,14 @@
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@@ -3606,15 +3599,6 @@
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@@ -3631,66 +3615,16 @@
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@@ -3698,13 +3632,8 @@
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@@ -3713,14 +3642,6 @@
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@@ -3768,12 +3666,7 @@
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@@ -3787,38 +3680,12 @@
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@@ -3862,21 +3708,6 @@
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@@ -3890,54 +3721,22 @@
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-        "cosmiconfig": "4.0.0",
+        "cosmiconfig": "5.0.1",
         "debug": "3.1.0",
-        "env-ci": "2.0.1",
+        "env-ci": "2.1.0",
         "execa": "0.10.0",
         "get-stream": "3.0.0",
         "git-log-parser": "1.2.0",
@@ -9138,6 +8787,17 @@
             "wrap-ansi": "2.1.0"
           }
         },
+        "cosmiconfig": {
+          "version": "5.0.1",
+          "resolved": "https://registry.npmjs.org/cosmiconfig/-/cosmiconfig-5.0.1.tgz",
+          "integrity": "sha512-Kb8por4Jn2HbgGMmQoS2glS7FipYnNxIDccjLr1y9jRjonlSeHrciUfa2y5D6ucahMnKj5oUAToLU6cRXUfOpg==",
+          "dev": true,
+          "requires": {
+            "is-directory": "0.3.1",
+            "js-yaml": "3.11.0",
+            "parse-json": "4.0.0"
+          }
+        },
         "cross-spawn": {
           "version": "6.0.5",
           "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-6.0.5.tgz",
@@ -10379,9 +10039,9 @@
       "dev": true
     },
     "ts-jest": {
-      "version": "22.4.4",
-      "resolved": "https://registry.npmjs.org/ts-jest/-/ts-jest-22.4.4.tgz",
-      "integrity": "sha512-v9pO7u4HNMDSBCN9IEvlR6taDAGm2mo7nHEDLWyoFDgYeZ4aHm8JHEPrthd8Pmcl4eCM8J4Ata4ROR/cwFRV2A==",
+      "version": "22.4.5",
+      "resolved": "https://registry.npmjs.org/ts-jest/-/ts-jest-22.4.5.tgz",
+      "integrity": "sha512-3LkEkPzKutk+klOxtAhvTdYc9ZK7lHugyPg4VNj+l8jg7CCOBgAHqp009MWdT6WllYeSoWHcQaB3aJ6/JbTMJg==",
       "dev": true,
       "requires": {
         "babel-core": "6.26.3",
@@ -10389,8 +10049,9 @@
         "babel-plugin-transform-es2015-modules-commonjs": "6.26.2",
         "babel-preset-jest": "22.4.3",
         "cpx": "1.5.0",
-        "fs-extra": "4.0.3",
+        "fs-extra": "6.0.0",
         "jest-config": "22.4.3",
+        "lodash": "4.17.10",
         "pkg-dir": "2.0.0",
         "yargs": "11.0.0"
       },
@@ -10419,9 +10080,9 @@
           }
         },
         "fs-extra": {
-          "version": "4.0.3",
-          "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-4.0.3.tgz",
-          "integrity": "sha512-q6rbdDd1o2mAnQreO7YADIxf/Whx4AHBiRf6d+/cVT8h44ss+lHgxf1FemcqDnQt9X3ct4McHr+JMGlYSsK7Cg==",
+          "version": "6.0.0",
+          "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-6.0.0.tgz",
+          "integrity": "sha512-lk2cUCo8QzbiEWEbt7Cw3m27WMiRG321xsssbcIpfMhpRjrlC08WBOVQqj1/nQYYNnPtyIhP1oqLO3QwT2tPCw==",
           "dev": true,
           "requires": {
             "graceful-fs": "4.1.11",
@@ -10444,6 +10105,12 @@
             "graceful-fs": "4.1.11"
           }
         },
+        "lodash": {
+          "version": "4.17.10",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.10.tgz",
+          "integrity": "sha512-UejweD1pDoXu+AD825lWwp4ZGtSwgnpZxb3JDViD7StjQz+Nb/6l093lx4OQ0foGWNRoc19mWy7BzL+UAK2iVg==",
+          "dev": true
+        },
         "os-locale": {
           "version": "2.1.0",
           "resolved": "https://registry.npmjs.org/os-locale/-/os-locale-2.1.0.tgz",
@@ -10506,9 +10173,9 @@
       }
     },
     "ts-node": {
-      "version": "6.0.2",
-      "resolved": "https://registry.npmjs.org/ts-node/-/ts-node-6.0.2.tgz",
-      "integrity": "sha512-H/KWK27B3JJAc5WFOBBUxN638DukbV8PptdQgiHWPO2SGDVJzuVOl8Ye0XJ5+FiZIdFtgUuGOJRV4c/XBQ5dBg==",
+      "version": "6.0.3",
+      "resolved": "https://registry.npmjs.org/ts-node/-/ts-node-6.0.3.tgz",
+      "integrity": "sha512-ARaOMNFEPKg2ZuC1qJddFvHxHNFVckR0g9xLxMIoMqSSIkDc8iS4/LoV53EdDWWNq2FGwqcEf0bVVGJIWpsznw==",
       "dev": true,
       "requires": {
         "arrify": "1.0.1",
@@ -10559,9 +10226,9 @@
       "dev": true
     },
     "tslint": {
-      "version": "5.9.1",
-      "resolved": "https://registry.npmjs.org/tslint/-/tslint-5.9.1.tgz",
-      "integrity": "sha1-ElX4ej/1frCw4fDmEKi0dIBGya4=",
+      "version": "5.10.0",
+      "resolved": "https://registry.npmjs.org/tslint/-/tslint-5.10.0.tgz",
+      "integrity": "sha1-EeJrzLiK+gLdDZlWyuPUVAtfVMM=",
       "dev": true,
       "requires": {
         "babel-code-frame": "6.26.0",
diff --git a/package.json b/package.json
index 8d889e4..3c386e8 100644
--- a/package.json
+++ b/package.json
@@ -86,7 +86,7 @@
   },
   "peerDependencies": {
     "express-session": "^1.15.6",
-    "etcd3": "^0.2.9"
+    "etcd3": "^0.2.10"
   },
   "devDependencies": {
     "@types/debug": "0.0.30",
@@ -97,7 +97,7 @@
     "commitizen": "^2.9.6",
     "cross-env": "^5.1.4",
     "cz-conventional-changelog": "^2.1.0",
-    "etcd3": "^0.2.9",
+    "etcd3": "^0.2.10",
     "express-session": "^1.15.6",
     "husky": "^0.14.3",
     "jest": "^22.4.3",
diff --git a/src/express-session-etcd3.ts b/src/express-session-etcd3.ts
index 120901d..046ec9b 100644
--- a/src/express-session-etcd3.ts
+++ b/src/express-session-etcd3.ts
@@ -97,11 +97,17 @@ export default class Etcd3Store extends Store {
     const ttl = this.getTTL(session, sid)
     this.debug('SET "%s" ttl:%s %O', sid, ttl, session)
     try {
-      this.client
-        .lease(ttl)
+      const leasing = this.client.lease(ttl)
+      leasing
         .put(this.key(sid))
         .value(JSON.stringify(session))
-        .then(() => this.callbackWithLog(callback), err => this.callbackWithLog(callback, err))
+        .then(
+          () => {
+            leasing.release()
+            this.callbackWithLog(callback)
+          },
+          err => this.callbackWithLog(callback, err)
+        )
     } catch (err) {
       callback(err)
     }
diff --git a/test/express-session-etcd3.test.ts b/test/express-session-etcd3.test.ts
index d7bbe21..924a4b1 100644
--- a/test/express-session-etcd3.test.ts
+++ b/test/express-session-etcd3.test.ts
@@ -12,6 +12,7 @@ import { anotherPrefix, createTestClientAndKeys, sessionData, tearDownTestClient
 describe('Etcd3Store test suit', () => {
   let client: Etcd3
   const newSid = 'newTestSid'
+  const ETCD_CLEAR_TIME = 1500
 
   async function createSubject(
     options: Partial<Etcd3StoreOptions> = undefined,
@@ -133,21 +134,36 @@ describe('Etcd3Store test suit', () => {
       })
     })
 
-    it('should lease the session with the giving ttl', async done => {
-      const { subject } = await createSubject({ prefix: anotherPrefix })
+    it('should automatically delete the session using ETCD lease with the giving ttl', async done => {
+      const { subject } = await createSubject()
       const ttl = 1
       jest.spyOn(subject, 'getTTL' as any).mockReturnValue(ttl)
-      jest.spyOn(client, 'lease')
       subject.set(newSid, sessionData, err => {
         expect(err).toBeNull()
-        expect(client.lease).toHaveBeenCalledWith(ttl)
-        client
-          .get(anotherPrefix + '/' + newSid)
-          .exec()
-          .then(data => {
-            expect(data.kvs[0]).toBeTruthy()
+        setTimeout(() => {
+          client.get(defaultOptions.prefix + '/' + newSid).then(data => {
+            expect(data).toBeNull()
             done()
           })
+        }, ttl * 1000 + ETCD_CLEAR_TIME)
+      })
+    })
+
+    it('should not delete the session before the ttl', async done => {
+      const { subject } = await createSubject()
+      const ttl = 1
+      jest.spyOn(subject, 'getTTL' as any).mockReturnValue(ttl)
+      subject.set(newSid, sessionData, err => {
+        expect(err).toBeNull()
+        setTimeout(() => {
+          client
+            .get(defaultOptions.prefix + '/' + newSid)
+            .json()
+            .then(data => {
+              expect(data).toEqual(sessionData)
+              done()
+            })
+        }, ttl * 900)
       })
     })
 
@@ -190,6 +206,49 @@ describe('Etcd3Store test suit', () => {
       expect(subject.set).not.toHaveBeenCalled()
       expect(callback).toBeCalledWith(null)
     })
+
+    it('should keep the session alive even after the first leasing cycle', async done => {
+      const { subject } = await createSubject()
+      const ttl = 1
+      jest.spyOn(subject, 'getTTL' as any).mockReturnValue(ttl)
+      subject.set(newSid, sessionData, err => {
+        expect(err).toBeNull()
+        setTimeout(() => {
+          subject.touch(newSid, sessionData, () => {
+            /**/
+          })
+        }, ttl * 900)
+        setTimeout(() => {
+          client
+            .get(defaultOptions.prefix + '/' + newSid)
+            .json()
+            .then(data => {
+              expect(data).toEqual(sessionData)
+              done()
+            })
+        }, ttl * 1000 + ETCD_CLEAR_TIME)
+      })
+    })
+
+    it('should not prevent the leasing cycle if skipTouch is true at the adapter config', async done => {
+      const { subject } = await createSubject({ skipTouch: true })
+      const ttl = 1
+      jest.spyOn(subject, 'getTTL' as any).mockReturnValue(ttl)
+      subject.set(newSid, sessionData, err => {
+        expect(err).toBeNull()
+        setTimeout(() => {
+          subject.touch(newSid, sessionData, () => {
+            /**/
+          })
+        }, ttl * 900)
+        setTimeout(() => {
+          client.get(defaultOptions.prefix + '/' + newSid).then(data => {
+            expect(data).toBeNull()
+            done()
+          })
+        }, ttl * 1000 + ETCD_CLEAR_TIME)
+      })
+    })
   })
 
   describe('when getting all the sessions', () => {