diff --git a/packages/metals-languageclient/yarn.lock b/packages/metals-languageclient/yarn.lock
index 9204bdb9b..475fa6993 100644
--- a/packages/metals-languageclient/yarn.lock
+++ b/packages/metals-languageclient/yarn.lock
@@ -2451,7 +2451,7 @@ minimatch@^3.0.4:
   dependencies:
     brace-expansion "^1.1.7"
 
-minimist@^1.1.1, minimist@^1.2.0:
+minimist@^1.1.1, minimist@^1.2.0, 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==
@@ -2464,7 +2464,14 @@ mixin-deep@^1.2.0:
     for-in "^1.0.2"
     is-extendable "^1.0.1"
 
-mkdirp@1.x, mkdirp@^1.0.3:
+mkdirp@0.x:
+  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 "^1.2.5"
+
+mkdirp@^1.0.3:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-1.0.4.tgz#3eb5ed62622756d79a5f0e2a221dfebad75c2f7e"
   integrity sha512-vVqVZQyf3WLx2Shd0qJ9xuvqgAyKPLAiqITEtqW0oIUjzo3PePDd6fW9iFz30ef7Ysp/oiWqbhszeGWW2T6Gzw==
@@ -2937,13 +2944,6 @@ resolve@1.1.7:
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.1.7.tgz#203114d82ad2c5ed9e8e0411b3932875e889e97b"
   integrity sha1-IDEU2CrSxe2ejgQRs5ModeiJ6Xs=
 
-resolve@1.x, resolve@^1.3.2:
-  version "1.15.1"
-  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.15.1.tgz#27bdcdeffeaf2d6244b95bb0f9f4b4653451f3e8"
-  integrity sha512-84oo6ZTtoTUpjgNEr5SJyzQhzL72gaRodsSfyxC/AXRvwu0Yse9H8eF9IpGo7b8YetZhlI6v7ZQ6bKBFV/6S7w==
-  dependencies:
-    path-parse "^1.0.6"
-
 resolve@^1.10.0:
   version "1.16.1"
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.16.1.tgz#49fac5d8bacf1fd53f200fa51247ae736175832c"
@@ -2958,6 +2958,13 @@ resolve@^1.17.0:
   dependencies:
     path-parse "^1.0.6"
 
+resolve@^1.3.2:
+  version "1.15.1"
+  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.15.1.tgz#27bdcdeffeaf2d6244b95bb0f9f4b4653451f3e8"
+  integrity sha512-84oo6ZTtoTUpjgNEr5SJyzQhzL72gaRodsSfyxC/AXRvwu0Yse9H8eF9IpGo7b8YetZhlI6v7ZQ6bKBFV/6S7w==
+  dependencies:
+    path-parse "^1.0.6"
+
 ret@~0.1.10:
   version "0.1.15"
   resolved "https://registry.yarnpkg.com/ret/-/ret-0.1.15.tgz#b8a4825d5bdb1fc3f6f53c2bc33f81388681c7bc"
@@ -3408,9 +3415,9 @@ tr46@^1.0.1:
     punycode "^2.1.0"
 
 ts-jest@^25.0.0:
-  version "25.4.0"
-  resolved "https://registry.yarnpkg.com/ts-jest/-/ts-jest-25.4.0.tgz#5ad504299f8541d463a52e93e5e9d76876be0ba4"
-  integrity sha512-+0ZrksdaquxGUBwSdTIcdX7VXdwLIlSRsyjivVA9gcO+Cvr6ByqDhu/mi5+HCcb6cMkiQp5xZ8qRO7/eCqLeyw==
+  version "25.5.0"
+  resolved "https://registry.yarnpkg.com/ts-jest/-/ts-jest-25.5.0.tgz#f56f039b6caa15d9e32d064b0a8902886ab2fe72"
+  integrity sha512-govrjbOk1UEzcJ5cX5k8X8IUtFuP3lp3mrF3ZuKtCdAOQzdeCM7qualhb/U8s8SWFwEDutOqfF5PLkJ+oaYD4w==
   dependencies:
     bs-logger "0.x"
     buffer-from "1.x"
@@ -3419,8 +3426,7 @@ ts-jest@^25.0.0:
     lodash.memoize "4.x"
     make-error "1.x"
     micromatch "4.x"
-    mkdirp "1.x"
-    resolve "1.x"
+    mkdirp "0.x"
     semver "6.x"
     yargs-parser "18.x"