diff --git a/package.json b/package.json
index 627bd78..68a2f14 100644
--- a/package.json
+++ b/package.json
@@ -101,7 +101,6 @@
     "rollup-plugin-terser": "^4.0.2",
     "semantic-release": "^15.9.16",
     "semantic-release-alt-publish-dir": "^2.1.1",
-    "sinon": "^6.3.4",
     "travis-deploy-once": "^5.0.8"
   },
   "release": {
diff --git a/test/Transition-test.js b/test/Transition-test.js
index d021370..27fb6ca 100644
--- a/test/Transition-test.js
+++ b/test/Transition-test.js
@@ -2,7 +2,6 @@ import React from 'react'
 import ReactDOM from 'react-dom'
 
 import { mount } from 'enzyme'
-import sinon from 'sinon'
 
 import Transition, {
   UNMOUNTED,
@@ -90,13 +89,13 @@ describe('Transition', () => {
   })
 
   it('should allow addEndListener instead of timeouts', done => {
-    let listener = sinon.spy((node, end) => setTimeout(end, 0))
+    let listener = jest.fn((node, end) => setTimeout(end, 0))
 
     let inst = mount(
       <Transition
         addEndListener={listener}
         onEntered={() => {
-          expect(listener.callCount).toEqual(1)
+          expect(listener).toHaveBeenCalledTimes(1)
           done()
         }}
       >
@@ -214,8 +213,9 @@ describe('Transition', () => {
     })
 
     it('should fire callbacks', done => {
-      let onEnter = sinon.spy()
-      let onEntering = sinon.spy()
+      let callOrder = []
+      let onEnter = jest.fn(() => callOrder.push('onEnter'))
+      let onEntering = jest.fn(() => callOrder.push('onEntering'))
 
       expect(wrapper.state('status')).toEqual(EXITED)
 
@@ -227,9 +227,9 @@ describe('Transition', () => {
         onEntering,
 
         onEntered() {
-          expect(onEnter.calledOnce).toEqual(true)
-          expect(onEntering.calledOnce).toEqual(true)
-          expect(onEnter.calledBefore(onEntering)).toEqual(true)
+          expect(onEnter).toHaveBeenCalledTimes(1)
+          expect(onEntering).toHaveBeenCalledTimes(1)
+          expect(callOrder).toEqual(['onEnter', 'onEntering'])
           done()
         },
       })
@@ -274,8 +274,9 @@ describe('Transition', () => {
     })
 
     it('should fire callbacks', done => {
-      let onExit = sinon.spy()
-      let onExiting = sinon.spy()
+      let callOrder = []
+      let onExit = jest.fn(() => callOrder.push('onExit'))
+      let onExiting = jest.fn(() => callOrder.push('onExiting'))
 
       expect(wrapper.state('status')).toEqual(ENTERED)
 
@@ -287,9 +288,9 @@ describe('Transition', () => {
         onExiting,
 
         onExited() {
-          expect(onExit.calledOnce).toEqual(true)
-          expect(onExiting.calledOnce).toEqual(true)
-          expect(onExit.calledBefore(onExiting)).toEqual(true)
+          expect(onExit).toHaveBeenCalledTimes(1)
+          expect(onExiting).toHaveBeenCalledTimes(1)
+          expect(callOrder).toEqual(['onExit', 'onExiting'])
           done()
         },
       })
diff --git a/yarn.lock b/yarn.lock
index 553820e..f3a54f6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1437,30 +1437,6 @@
   dependencies:
     symbol-observable "^1.2.0"
 
-"@sinonjs/commons@^1.0.2":
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/@sinonjs/commons/-/commons-1.0.2.tgz#3e0ac737781627b8844257fadc3d803997d0526e"
-  dependencies:
-    type-detect "4.0.8"
-
-"@sinonjs/formatio@3.0.0", "@sinonjs/formatio@^3.0.0":
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/@sinonjs/formatio/-/formatio-3.0.0.tgz#9d282d81030a03a03fa0c5ce31fd8786a4da311a"
-  dependencies:
-    "@sinonjs/samsam" "2.1.0"
-
-"@sinonjs/samsam@2.1.0":
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/@sinonjs/samsam/-/samsam-2.1.0.tgz#b8b8f5b819605bd63601a6ede459156880f38ea3"
-  dependencies:
-    array-from "^2.1.1"
-
-"@sinonjs/samsam@^2.1.1":
-  version "2.1.1"
-  resolved "https://registry.yarnpkg.com/@sinonjs/samsam/-/samsam-2.1.1.tgz#f352621c24c9e9ab2ed293a7655e8d46bfd64c16"
-  dependencies:
-    array-from "^2.1.1"
-
 "@storybook/addon-actions@^4.1.4":
   version "4.1.4"
   resolved "https://registry.yarnpkg.com/@storybook/addon-actions/-/addon-actions-4.1.4.tgz#d6ff166939b0f1b6c2de57c6716503449b17124d"
@@ -2312,10 +2288,6 @@ array-flatten@1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/array-flatten/-/array-flatten-1.1.1.tgz#9a5f699051b1e7073328f2a008968b64ea2955d2"
 
-array-from@^2.1.1:
-  version "2.1.1"
-  resolved "https://registry.yarnpkg.com/array-from/-/array-from-2.1.1.tgz#cfe9d8c26628b9dc5aecc62a9f5d8f1f352c1195"
-
 array-ify@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/array-ify/-/array-ify-1.0.0.tgz#9e528762b4a9066ad163a6962a364418e9626ece"
@@ -4337,7 +4309,7 @@ dezalgo@^1.0.0, dezalgo@~1.0.3:
     asap "^2.0.0"
     wrappy "1"
 
-diff@^3.2.0, diff@^3.5.0:
+diff@^3.2.0:
   version "3.5.0"
   resolved "https://registry.yarnpkg.com/diff/-/diff-3.5.0.tgz#800c0dd1e0a8bfbc95835c202ad220fe317e5a12"
 
@@ -7122,10 +7094,6 @@ jsx-ast-utils@^2.0.1:
   dependencies:
     array-includes "^3.0.3"
 
-just-extend@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/just-extend/-/just-extend-3.0.0.tgz#cee004031eaabf6406da03a7b84e4fe9d78ef288"
-
 keycode@^2.2.0:
   version "2.2.0"
   resolved "http://storage.mds.yandex.net/get-npm/66641/keycode-2.2.0.tgz#3d0af56dc7b8b8e5cba8d0a97f107204eec22b04"
@@ -7386,10 +7354,6 @@ lodash.flattendeep@^4.4.0:
   version "4.4.0"
   resolved "https://registry.yarnpkg.com/lodash.flattendeep/-/lodash.flattendeep-4.4.0.tgz#fb030917f86a3134e5bc9bec0d69e0013ddfedb2"
 
-lodash.get@^4.4.2:
-  version "4.4.2"
-  resolved "https://registry.yarnpkg.com/lodash.get/-/lodash.get-4.4.2.tgz#2d177f652fa31e939b4438d5341499dfa3825e99"
-
 lodash.isarguments@^3.0.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/lodash.isarguments/-/lodash.isarguments-3.1.0.tgz#2f573d85c6a24289ff00663b491c1d338ff3458a"
@@ -7458,14 +7422,6 @@ lodash@^4.17.11:
   version "4.17.11"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
 
-lolex@^2.3.2:
-  version "2.7.0"
-  resolved "https://registry.yarnpkg.com/lolex/-/lolex-2.7.0.tgz#9c087a69ec440e39d3f796767cf1b2cdc43d5ea5"
-
-lolex@^2.7.4:
-  version "2.7.5"
-  resolved "https://registry.yarnpkg.com/lolex/-/lolex-2.7.5.tgz#113001d56bfc7e02d56e36291cc5c413d1aa0733"
-
 longest@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/longest/-/longest-1.0.1.tgz#30a0b2da38f73770e8294a0d22e6625ed77d0097"
@@ -7974,16 +7930,6 @@ nice-try@^1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/nice-try/-/nice-try-1.0.4.tgz#d93962f6c52f2c1558c0fbda6d512819f1efe1c4"
 
-nise@^1.4.5:
-  version "1.4.5"
-  resolved "https://registry.yarnpkg.com/nise/-/nise-1.4.5.tgz#979a97a19c48d627bb53703726ae8d53ce8d4b3e"
-  dependencies:
-    "@sinonjs/formatio" "3.0.0"
-    just-extend "^3.0.0"
-    lolex "^2.3.2"
-    path-to-regexp "^1.7.0"
-    text-encoding "^0.6.4"
-
 no-case@^2.2.0:
   version "2.3.2"
   resolved "https://registry.yarnpkg.com/no-case/-/no-case-2.3.2.tgz#60b813396be39b3f1288a4c1ed5d1e7d28b464ac"
@@ -8863,12 +8809,6 @@ path-to-regexp@0.1.7:
   version "0.1.7"
   resolved "https://registry.yarnpkg.com/path-to-regexp/-/path-to-regexp-0.1.7.tgz#df604178005f522f15eb4490e7247a1bfaa67f8c"
 
-path-to-regexp@^1.7.0:
-  version "1.7.0"
-  resolved "https://registry.yarnpkg.com/path-to-regexp/-/path-to-regexp-1.7.0.tgz#59fde0f435badacba103a84e9d3bc64e96b9937d"
-  dependencies:
-    isarray "0.0.1"
-
 path-type@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/path-type/-/path-type-1.1.0.tgz#59c44f7ee491da704da415da5a4070ba4f8fe441"
@@ -10507,20 +10447,6 @@ signale@^1.2.1:
     figures "^2.0.0"
     pkg-conf "^2.1.0"
 
-sinon@^6.3.4:
-  version "6.3.4"
-  resolved "https://registry.yarnpkg.com/sinon/-/sinon-6.3.4.tgz#6f076d7ddcf381af6c16468ac83d30333a756ec8"
-  dependencies:
-    "@sinonjs/commons" "^1.0.2"
-    "@sinonjs/formatio" "^3.0.0"
-    "@sinonjs/samsam" "^2.1.1"
-    diff "^3.5.0"
-    lodash.get "^4.4.2"
-    lolex "^2.7.4"
-    nise "^1.4.5"
-    supports-color "^5.5.0"
-    type-detect "^4.0.8"
-
 sisteransi@^0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/sisteransi/-/sisteransi-0.1.1.tgz#5431447d5f7d1675aac667ccd0b865a4994cb3ce"
@@ -11142,10 +11068,6 @@ test-exclude@^4.2.1:
     read-pkg-up "^1.0.1"
     require-main-filename "^1.0.1"
 
-text-encoding@^0.6.4:
-  version "0.6.4"
-  resolved "https://registry.yarnpkg.com/text-encoding/-/text-encoding-0.6.4.tgz#e399a982257a276dae428bb92845cb71bdc26d19"
-
 text-extensions@^1.0.0:
   version "1.7.0"
   resolved "https://registry.yarnpkg.com/text-extensions/-/text-extensions-1.7.0.tgz#faaaba2625ed746d568a23e4d0aacd9bf08a8b39"
@@ -11317,10 +11239,6 @@ type-check@~0.3.2:
   dependencies:
     prelude-ls "~1.1.2"
 
-type-detect@4.0.8, type-detect@^4.0.8:
-  version "4.0.8"
-  resolved "https://registry.yarnpkg.com/type-detect/-/type-detect-4.0.8.tgz#7646fb5f18871cfbb7749e69bd39a6388eb7450c"
-
 type-is@~1.6.15, type-is@~1.6.16:
   version "1.6.16"
   resolved "https://registry.yarnpkg.com/type-is/-/type-is-1.6.16.tgz#f89ce341541c672b25ee7ae3c73dee3b2be50194"