diff --git a/sample/02-cats-async/yarn.lock b/sample/02-cats-async/yarn.lock
index d6fb82b..6ab1c81 100644
--- a/sample/02-cats-async/yarn.lock
+++ b/sample/02-cats-async/yarn.lock
@@ -18,14 +18,14 @@
     esutils "^2.0.2"
     js-tokens "^4.0.0"
 
-"@iaminfinity/express-cassandra@^5.0.0":
-  version "5.0.0"
-  resolved "https://registry.yarnpkg.com/@iaminfinity/express-cassandra/-/express-cassandra-5.0.0.tgz#b9e4bf770c4352f09d0fd710957826f7bea80d47"
-  integrity sha512-eJ/Gm2AvAQMg/7phY4Aods14sjwVsAU5pjOqPYyCbq/th813hOD8CAACa9rd3z6RLzd/vTe1mBCS7BT00KarMQ==
+"@iaminfinity/express-cassandra@^5.0.2":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@iaminfinity/express-cassandra/-/express-cassandra-5.2.0.tgz#06ebba8f045e8f69d801ae15a821223f5d39b6b8"
+  integrity sha512-bsCHsX/GrYfB53WhulfQ8+6sn9zAFuHDXZXzZJLOJ8usttse0KwsQlNbC0BwuF2rQPIczY8Q1EjTTwq6piBEyA==
   dependencies:
-    "@types/cassandra-driver" "^3.4.0"
-    express-cassandra "^2.2.4"
-    merge-deep "^3.0.2"
+    "@types/cassandra-driver" "3.6.0"
+    express-cassandra "2.3.2"
+    merge-deep "3.0.2"
 
 "@nestjs/common@^5.5.0":
   version "5.5.0"
@@ -97,10 +97,10 @@
     "@types/connect" "*"
     "@types/node" "*"
 
-"@types/cassandra-driver@^3.4.0":
-  version "3.5.0"
-  resolved "https://registry.yarnpkg.com/@types/cassandra-driver/-/cassandra-driver-3.5.0.tgz#b4606a092ce495dd544ccee6c1ee8bc65e4a4789"
-  integrity sha512-wrNi+fz91/g0YOfkkkMgNuSRnaXaw597z548IY7GauaPjTtM0thqpKRgJy8fKT6Q5ZXhVp0wQ/1ANROpniHUvg==
+"@types/cassandra-driver@3.6.0":
+  version "3.6.0"
+  resolved "https://registry.yarnpkg.com/@types/cassandra-driver/-/cassandra-driver-3.6.0.tgz#23e045bdb19591e366308e6a0da04639fe037778"
+  integrity sha512-Xx4XRuJUV1h1kNBRI78VSrporvBgzvwOtvo9AFic3EBdSk1EC8Gqr41WkMw7My/XVt0R9ux3z+Gyk9LgfEs/XA==
   dependencies:
     "@types/long" "*"
     "@types/node" "*"
@@ -940,10 +940,10 @@ chokidar@^2.0.4:
   optionalDependencies:
     fsevents "^1.2.2"
 
-chownr@^1.1.1:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.1.1.tgz#54726b8b8fff4df053c42187e801fb4412df1494"
-  integrity sha512-j38EvO5+LHX84jlo6h4UzmOwi0UgW61WRyPtJz4qaadK5eY3BTS5TY/S1Stc3Uk2lIM6TPevAlULiEJwie860g==
+chownr@^1.1.4:
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.1.4.tgz#6fc9d7b42d32a583596337666e7d08084da2cc6b"
+  integrity sha512-jJ0bqzaylmJtVnNgzTeSOs8DPavpbYgEr/b0YL8/2GO3xJEhInFmhKMUnEJQjZumK7KXGFhUy89PrsJWlakBVg==
 
 ci-info@^1.5.0:
   version "1.6.0"
@@ -1671,10 +1671,10 @@ expect@^23.6.0:
     jest-message-util "^23.4.0"
     jest-regex-util "^23.3.0"
 
-express-cassandra@^2.2.4:
-  version "2.2.4"
-  resolved "https://registry.yarnpkg.com/express-cassandra/-/express-cassandra-2.2.4.tgz#4028368849c6aad370c48f8adc73dea2fd20224c"
-  integrity sha512-mFU3RtmIjn4AL1W3C22U3VLKs1s1UbshVNr+/Hj1bHK7+79MP5jdrWLJbTY0nbOw7VuFYVce1rPv1ouqgCvBmA==
+express-cassandra@2.3.2:
+  version "2.3.2"
+  resolved "https://registry.yarnpkg.com/express-cassandra/-/express-cassandra-2.3.2.tgz#edf744da7e2522395ca0219a684812d7da4a53c3"
+  integrity sha512-Bte+Ks6teFpnlPLcniyOwyML+emvbynergI1hFGrT1ukn47MEDANNzBeYHtThhPXGTCxCLgI8udAn8O0P8oyVw==
   dependencies:
     JSONStream "^1.3.1"
     async "^1.5.2"
@@ -1685,7 +1685,7 @@ express-cassandra@^2.2.4:
     check-types "^7.4.0"
     debug "^3.1.0"
     deep-diff "^0.3.4"
-    lodash "^4.17.10"
+    lodash "^4.17.15"
     object-hash "1.1.4"
     readdirp "^2.1.0"
     readline-sync "^1.4.4"
@@ -1934,12 +1934,12 @@ fresh@0.5.2:
   resolved "https://registry.yarnpkg.com/fresh/-/fresh-0.5.2.tgz#3d8cadd90d976569fa835ab1f8e4b23a105605a7"
   integrity sha1-PYyt2Q2XZWn6g1qx+OSyOhBWBac=
 
-fs-minipass@^1.2.5:
-  version "1.2.5"
-  resolved "https://registry.yarnpkg.com/fs-minipass/-/fs-minipass-1.2.5.tgz#06c277218454ec288df77ada54a03b8702aacb9d"
-  integrity sha512-JhBl0skXjUPCFH7x6x61gQxrKyXsxB5gcgePLZCwfyCGGsTISMoIeObbrvVeP6Xmyaudw4TT43qV2Gz+iyd2oQ==
+fs-minipass@^1.2.7:
+  version "1.2.7"
+  resolved "https://registry.yarnpkg.com/fs-minipass/-/fs-minipass-1.2.7.tgz#ccff8570841e7fe4265693da88936c55aed7f7c7"
+  integrity sha512-GWSSJGFy4e9GUeCcbIkED+bgAoFyj7XF1mV8rma3QW4NIqX9Kyx79N/PF61H5udOV3aY1IaMLs6pGbH71nlCTA==
   dependencies:
-    minipass "^2.2.1"
+    minipass "^2.6.0"
 
 fs.realpath@^1.0.0:
   version "1.0.0"
@@ -3258,6 +3258,11 @@ lodash@^4.13.1, lodash@^4.17.10, lodash@^4.17.4, lodash@^4.17.5:
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
   integrity sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==
 
+lodash@^4.17.15:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
+  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
+
 long@^2.2.0:
   version "2.4.0"
   resolved "https://registry.yarnpkg.com/long/-/long-2.4.0.tgz#9fa180bb1d9500cdc29c4156766a1995e1f4524f"
@@ -3360,7 +3365,7 @@ memory-fs@^0.4.0:
     errno "^0.1.3"
     readable-stream "^2.0.1"
 
-merge-deep@^3.0.2:
+merge-deep@3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/merge-deep/-/merge-deep-3.0.2.tgz#f39fa100a4f1bd34ff29f7d2bf4508fbb8d83ad2"
   integrity sha512-T7qC8kg4Zoti1cFd8Cr0M+qaZfOwjlPDEdZIIPPB2JZctjaPM4fX+i7HOId69tAti2fvO6X5ldfYUONDODsrkA==
@@ -3463,35 +3468,35 @@ minimatch@^3.0.3, minimatch@^3.0.4:
   dependencies:
     brace-expansion "^1.1.7"
 
-minimist@0.0.8:
-  version "0.0.8"
-  resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
-  integrity sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=
-
 minimist@^1.1.1, minimist@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
   integrity sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=
 
+minimist@^1.2.5:
+  version "1.2.5"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.5.tgz#67d66014b66a6a8aaa0c083c5fd58df4e4e97602"
+  integrity sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==
+
 minimist@~0.0.1:
   version "0.0.10"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.10.tgz#de3f98543dbf96082be48ad1a0c7cda836301dcf"
   integrity sha1-3j+YVD2/lggr5IrRoMfNqDYwHc8=
 
-minipass@^2.2.1, minipass@^2.3.4:
-  version "2.3.5"
-  resolved "https://registry.yarnpkg.com/minipass/-/minipass-2.3.5.tgz#cacebe492022497f656b0f0f51e2682a9ed2d848"
-  integrity sha512-Gi1W4k059gyRbyVUZQ4mEqLm0YIUiGYfvxhF6SIlk3ui1WVxMTGfGdQ2SInh3PDrRTVvPKgULkpJtT4RH10+VA==
+minipass@^2.6.0, minipass@^2.9.0:
+  version "2.9.0"
+  resolved "https://registry.yarnpkg.com/minipass/-/minipass-2.9.0.tgz#e713762e7d3e32fed803115cf93e04bca9fcc9a6"
+  integrity sha512-wxfUjg9WebH+CUDX/CdbRlh5SmfZiy/hpkxaRI16Y9W56Pa75sWgd/rvFilSgrauD9NyFymP/+JFV3KwzIsJeg==
   dependencies:
     safe-buffer "^5.1.2"
     yallist "^3.0.0"
 
-minizlib@^1.1.1:
-  version "1.2.1"
-  resolved "https://registry.yarnpkg.com/minizlib/-/minizlib-1.2.1.tgz#dd27ea6136243c7c880684e8672bb3a45fd9b614"
-  integrity sha512-7+4oTUOWKg7AuL3vloEWekXY2/D20cevzsrNT2kGWm+39J9hGTCBv8VI5Pm5lXZ/o3/mdR4f8rflAPhnQb8mPA==
+minizlib@^1.3.3:
+  version "1.3.3"
+  resolved "https://registry.yarnpkg.com/minizlib/-/minizlib-1.3.3.tgz#2290de96818a34c29551c8a8d301216bd65a861d"
+  integrity sha512-6ZYMOEnmVsdCeTJVE0W9ZD+pVnE8h9Hma/iOwwRDsdQoePpoX56/8B6z3P9VNwppJuBKNRuFDRNRqRWexT9G9Q==
   dependencies:
-    minipass "^2.2.1"
+    minipass "^2.9.0"
 
 mixin-deep@^1.2.0:
   version "1.3.1"
@@ -3509,12 +3514,12 @@ mixin-object@^2.0.1:
     for-in "^0.1.3"
     is-extendable "^0.1.1"
 
-mkdirp@0.x, mkdirp@^0.5.0, mkdirp@^0.5.1:
-  version "0.5.1"
-  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
-  integrity sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=
+mkdirp@0.x, mkdirp@^0.5.1, mkdirp@^0.5.5:
+  version "0.5.5"
+  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.5.tgz#d91cefd62d1436ca0f41620e251288d420099def"
+  integrity sha512-NKmAlESf6jMGym1++R0Ra7wvhV+wFW63FaSOFPwRahvea0gMUcGUhVeAg/0BC0wiv9ih5NYPB1Wn1UEI1/L+xQ==
   dependencies:
-    minimist "0.0.8"
+    minimist "^1.2.5"
 
 ms@2.0.0:
   version "2.0.0"
@@ -4416,7 +4421,12 @@ safe-buffer@5.1.1:
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.1.tgz#893312af69b2123def71f57889001671eeb2c853"
   integrity sha512-kKvNJn6Mm93gAczWVJg7wH+wGYWNrDHdWvpUmHyEsgCtIwwo3bqPtV4tR5tuPaUhTOo/kvhVwd8XwwOllGYkbg==
 
-safe-buffer@^5.0.1, safe-buffer@^5.1.2, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
+safe-buffer@^5.0.1, safe-buffer@^5.1.2, safe-buffer@^5.2.1:
+  version "5.2.1"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.1.tgz#1eaf9fa9bdb1fdd4ec75f58f9cdb4e6b7827eec6"
+  integrity sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==
+
+safe-buffer@~5.1.0, safe-buffer@~5.1.1:
   version "5.1.2"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
   integrity sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==
@@ -4909,17 +4919,17 @@ tapable@^1.0.0:
   integrity sha512-9I2ydhj8Z9veORCw5PRm4u9uebCn0mcCa6scWoNcbZ6dAtoo2618u9UUzxgmsCOreJpqDDuv61LvwofW7hLcBA==
 
 tar@^4:
-  version "4.4.8"
-  resolved "https://registry.yarnpkg.com/tar/-/tar-4.4.8.tgz#b19eec3fde2a96e64666df9fdb40c5ca1bc3747d"
-  integrity sha512-LzHF64s5chPQQS0IYBn9IN5h3i98c12bo4NCO7e0sGM2llXQ3p2FGC5sdENN4cTW48O915Sh+x+EXx7XW96xYQ==
-  dependencies:
-    chownr "^1.1.1"
-    fs-minipass "^1.2.5"
-    minipass "^2.3.4"
-    minizlib "^1.1.1"
-    mkdirp "^0.5.0"
-    safe-buffer "^5.1.2"
-    yallist "^3.0.2"
+  version "4.4.19"
+  resolved "https://registry.yarnpkg.com/tar/-/tar-4.4.19.tgz#2e4d7263df26f2b914dee10c825ab132123742f3"
+  integrity sha512-a20gEsvHnWe0ygBY8JbxoM4w3SJdhc7ZAuxkLqh+nvNQN2IOt0B5lLgM490X5Hl8FF0dl0tOf2ewFYAlIFgzVA==
+  dependencies:
+    chownr "^1.1.4"
+    fs-minipass "^1.2.7"
+    minipass "^2.9.0"
+    minizlib "^1.3.3"
+    mkdirp "^0.5.5"
+    safe-buffer "^5.2.1"
+    yallist "^3.1.1"
 
 term-size@^1.2.0:
   version "1.2.0"
@@ -5052,10 +5062,10 @@ ts-jest@^23.1.3:
     semver "^5.5"
     yargs-parser "10.x"
 
-ts-loader@^5.3.1:
-  version "5.3.1"
-  resolved "https://registry.yarnpkg.com/ts-loader/-/ts-loader-5.3.1.tgz#70614c8ec4354a9c8b89c9f97b2becb7a98a3980"
-  integrity sha512-fDDgpBH3SR8xlt2MasLdz3Yy611PQ/UY/KGyo7TgXhTRU/6sS8uGG0nJYnU1OdFBNKcoYbId1UTNaAOUn+i41g==
+ts-loader@^5.3.2:
+  version "5.4.5"
+  resolved "https://registry.yarnpkg.com/ts-loader/-/ts-loader-5.4.5.tgz#a0c1f034b017a9344cef0961bfd97cc192492b8b"
+  integrity sha512-XYsjfnRQCBum9AMRZpk2rTYSVpdZBpZK+kDh0TeT3kxmQNBDVIeUjdPjY5RZry4eIAb8XHc4gYSUiUWPYvzSRw==
   dependencies:
     chalk "^2.3.0"
     enhanced-resolve "^4.0.0"
@@ -5464,10 +5474,10 @@ yallist@^2.1.2:
   resolved "https://registry.yarnpkg.com/yallist/-/yallist-2.1.2.tgz#1c11f9218f076089a47dd512f93c6699a6a81d52"
   integrity sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI=
 
-yallist@^3.0.0, yallist@^3.0.2:
-  version "3.0.3"
-  resolved "https://registry.yarnpkg.com/yallist/-/yallist-3.0.3.tgz#b4b049e314be545e3ce802236d6cd22cd91c3de9"
-  integrity sha512-S+Zk8DEWE6oKpV+vI3qWkaK+jSbIK86pCwe2IF/xwIpQ8jEuxpw9NyaGjmp9+BoJv5FV2piqCDcoCtStppiq2A==
+yallist@^3.0.0, yallist@^3.1.1:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/yallist/-/yallist-3.1.1.tgz#dbb7daf9bfd8bac9ab45ebf602b8cbad0d5d08fd"
+  integrity sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g==
 
 yargs-parser@10.x:
   version "10.1.0"