diff --git a/lucene/CHANGES.txt b/lucene/CHANGES.txt
index 1fa62180b9d..41fad11b781 100644
--- a/lucene/CHANGES.txt
+++ b/lucene/CHANGES.txt
@@ -134,6 +134,8 @@ Bug Fixes
 Other
 ---------------------
 
+* GITHUB#991: Update randomizedtesting to 2.8.0, hppc to 0.9.1, morfologik to 2.1.9. (Dawid Weiss)
+
 * LUCENE-10370: pass proper classpath/module arguments for forking jvms from within tests. (Dawid Weiss)
 
 * LUCENE-10604: Improve ability to test and debug triangulation algorithm in Tessellator.
diff --git a/lucene/licenses/hppc-0.9.0.jar.sha1 b/lucene/licenses/hppc-0.9.0.jar.sha1
deleted file mode 100644
index 0cd847ea7e9..00000000000
--- a/lucene/licenses/hppc-0.9.0.jar.sha1
+++ /dev/null
@@ -1 +0,0 @@
-fcc952fb6d378266b943bef9f15e67a4d45cfa88
diff --git a/lucene/licenses/hppc-0.9.1.jar.sha1 b/lucene/licenses/hppc-0.9.1.jar.sha1
new file mode 100644
index 00000000000..5cedaaa6433
--- /dev/null
+++ b/lucene/licenses/hppc-0.9.1.jar.sha1
@@ -0,0 +1 @@
+4bf4c51e06aec600894d841c4c004566b20dd357
diff --git a/lucene/licenses/morfologik-fsa-2.1.8.jar.sha1 b/lucene/licenses/morfologik-fsa-2.1.8.jar.sha1
deleted file mode 100644
index 8e121e5971a..00000000000
--- a/lucene/licenses/morfologik-fsa-2.1.8.jar.sha1
+++ /dev/null
@@ -1 +0,0 @@
-68e23e2c57fe5699d511b3a7a2f202f90020e214
diff --git a/lucene/licenses/morfologik-fsa-2.1.9.jar.sha1 b/lucene/licenses/morfologik-fsa-2.1.9.jar.sha1
new file mode 100644
index 00000000000..9bc71a8a652
--- /dev/null
+++ b/lucene/licenses/morfologik-fsa-2.1.9.jar.sha1
@@ -0,0 +1 @@
+a12005eacfbbbe256fd4d41f80f6e3675d7e314e
diff --git a/lucene/licenses/morfologik-polish-2.1.8.jar.sha1 b/lucene/licenses/morfologik-polish-2.1.8.jar.sha1
deleted file mode 100644
index 82e03b31945..00000000000
--- a/lucene/licenses/morfologik-polish-2.1.8.jar.sha1
+++ /dev/null
@@ -1 +0,0 @@
-f8fc4e6674395ffcb64c23ada9da74295b265bc5
diff --git a/lucene/licenses/morfologik-polish-2.1.9.jar.sha1 b/lucene/licenses/morfologik-polish-2.1.9.jar.sha1
new file mode 100644
index 00000000000..f492c902143
--- /dev/null
+++ b/lucene/licenses/morfologik-polish-2.1.9.jar.sha1
@@ -0,0 +1 @@
+0a9f1d18c6ecbe4439cf7f92182f7d9ff451fc4d
diff --git a/lucene/licenses/morfologik-stemming-2.1.8.jar.sha1 b/lucene/licenses/morfologik-stemming-2.1.8.jar.sha1
deleted file mode 100644
index 4321357a5f0..00000000000
--- a/lucene/licenses/morfologik-stemming-2.1.8.jar.sha1
+++ /dev/null
@@ -1 +0,0 @@
-409fa92db4cfb0f90a33d303732a4882cee3d1e7
diff --git a/lucene/licenses/morfologik-stemming-2.1.9.jar.sha1 b/lucene/licenses/morfologik-stemming-2.1.9.jar.sha1
new file mode 100644
index 00000000000..14774cf47e9
--- /dev/null
+++ b/lucene/licenses/morfologik-stemming-2.1.9.jar.sha1
@@ -0,0 +1 @@
+c3a590409efce30f84154044eaea49a4313535bd
diff --git a/lucene/licenses/randomizedtesting-runner-2.7.6.jar.sha1 b/lucene/licenses/randomizedtesting-runner-2.7.6.jar.sha1
deleted file mode 100644
index 289bc22b7c5..00000000000
--- a/lucene/licenses/randomizedtesting-runner-2.7.6.jar.sha1
+++ /dev/null
@@ -1 +0,0 @@
-17894fe98cce53f9bd994044d9bea7bd7801cafa
diff --git a/lucene/licenses/randomizedtesting-runner-2.8.0.jar.sha1 b/lucene/licenses/randomizedtesting-runner-2.8.0.jar.sha1
new file mode 100644
index 00000000000..a6b0aaa5121
--- /dev/null
+++ b/lucene/licenses/randomizedtesting-runner-2.8.0.jar.sha1
@@ -0,0 +1 @@
+631ae08801457db4398d0b376305d0cdab357a60
diff --git a/versions.lock b/versions.lock
index b7fa51164f1..b5b42fc8cb9 100644
--- a/versions.lock
+++ b/versions.lock
@@ -1,6 +1,6 @@
 # Run ./gradlew --write-locks to regenerate this file
-com.carrotsearch:hppc:0.9.0 (1 constraints: 0b050636)
-com.carrotsearch.randomizedtesting:randomizedtesting-runner:2.7.6 (1 constraints: 11051036)
+com.carrotsearch:hppc:0.9.1 (1 constraints: 0c050736)
+com.carrotsearch.randomizedtesting:randomizedtesting-runner:2.8.0 (1 constraints: 0c050d36)
 com.ibm.icu:icu4j:70.1 (1 constraints: dc040a31)
 commons-codec:commons-codec:1.13 (1 constraints: d904f430)
 commons-logging:commons-logging:1.2 (1 constraints: c20f9771)
@@ -13,9 +13,9 @@ org.apache.commons:commons-compress:1.19 (1 constraints: df04fa30)
 org.apache.httpcomponents:httpclient:4.5.13 (1 constraints: 3f054e3b)
 org.apache.httpcomponents:httpcore:4.4.13 (1 constraints: 591016a2)
 org.apache.opennlp:opennlp-tools:1.9.1 (1 constraints: 0d050c36)
-org.carrot2:morfologik-fsa:2.1.8 (1 constraints: da0d9b36)
-org.carrot2:morfologik-polish:2.1.8 (1 constraints: 0d050036)
-org.carrot2:morfologik-stemming:2.1.8 (2 constraints: 1112dc0c)
+org.carrot2:morfologik-fsa:2.1.9 (1 constraints: db0d9c36)
+org.carrot2:morfologik-polish:2.1.9 (1 constraints: 0e050136)
+org.carrot2:morfologik-stemming:2.1.9 (2 constraints: 1312040d)
 org.hamcrest:hamcrest:2.2 (1 constraints: a8041f2c)
 org.locationtech.spatial4j:spatial4j:0.8 (1 constraints: ac041f2c)
 org.ow2.asm:asm:7.2 (3 constraints: 2717d96b)
diff --git a/versions.props b/versions.props
index b2e69b23b5a..6d048237be6 100644
--- a/versions.props
+++ b/versions.props
@@ -1,5 +1,5 @@
-com.carrotsearch.randomizedtesting:*=2.7.6
-com.carrotsearch:hppc=0.9.0
+com.carrotsearch.randomizedtesting:*=2.8.0
+com.carrotsearch:hppc=0.9.1
 com.carrotsearch:procfork=1.0.6
 com.google.errorprone:*=2.10.0
 com.ibm.icu:icu4j=70.1
@@ -13,7 +13,7 @@ org.apache.commons:commons-compress=1.19
 org.apache.httpcomponents:httpclient=4.5.13
 org.apache.opennlp:opennlp-tools=1.9.1
 org.assertj:*=3.21.0
-org.carrot2:morfologik-*=2.1.8
+org.carrot2:morfologik-*=2.1.9
 org.eclipse.jetty:*=9.4.41.v20210516
 org.hamcrest:*=2.2
 org.locationtech.jts:jts-core=1.17.0