diff --git a/iota-wasp/README.md b/iota-wasp/README.md
index 007829cb..371b4f67 100644
--- a/iota-wasp/README.md
+++ b/iota-wasp/README.md
@@ -26,6 +26,7 @@ WASP_HOST=node.your-domain.com
 # WASP_PEERING_PORT=4000
 # WASP_DATA_DIR=<absolute path to data dir>
 # WASP_IDENTITY_PRIVATE_KEY=<optional>
+# WASP_PRUNING_MIN_STATES_TO_KEEP=10000
 
 # DASHBOARD_USERNAME=admin
 DASHBOARD_PASSWORD=<password hash>
@@ -52,6 +53,7 @@ DASHBOARD_SALT=<password salt>
 | WASP_PEERING_PORT                 |           |    4000     | Peering port                                                                                                                                                                                                       |
 | WASP_DATA_DIR                     |           |    .data    | Directory containing configuration, database etc.                                                                                                                                                                  |
 | WASP_IDENTITY_PRIVATE_KEY         |           |             | Private key used to derive the node identity                                                                                                                                                                       |
+| WASP_PRUNING_MIN_STATES_TO_KEEP   |           |    10000    | Minimum number of states to keep in the database. If the number of states exceeds this value, the oldest states are pruned.                                                                                        |
 | DASHBOARD_USERNAME                |           |    wasp     | Username to access dashboard                                                                                                                                                                                       |
 | DASHBOARD_PASSWORD                |     x     |             | Password hash (can be generated with `docker run --rm -it iotaledger/hornet:2.0-rc tool pwd-hash` or non-interactively with `docker run --rm iotaledger/hornet:2.0-rc tool pwd-hash --json --password <password>`) |
 | DASHBOARD_SALT                    |     x     |             | Password salt (can be generated with `docker run --rm -it iotaledger/hornet:2.0-rc tool pwd-hash` or non-interactively with `docker run --rm iotaledger/hornet:2.0-rc tool pwd-hash --json --password <password>`) |
diff --git a/iota-wasp/prepare_docker.sh b/iota-wasp/prepare_docker.sh
index 50904772..fa81ac0f 100755
--- a/iota-wasp/prepare_docker.sh
+++ b/iota-wasp/prepare_docker.sh
@@ -39,6 +39,8 @@ set_config "${configPath}" ".webapi.auth.basic.username"    "\"${DASHBOARD_USERN
 set_config "${configPath}" ".prometheus.bindAddress"        "\"0.0.0.0:9312\""
 set_config "${configPath}" ".db.debugSkipHealthCheck"       "false"
 
+set_config_if_present_in_env "${configPath}" "WASP_PRUNING_MIN_STATES_TO_KEEP" ".stateManager.pruningMinStatesToKeep"
+
 echo "Configure users defined in .env..."
 echo "{}" > "${usersConfigPath}"
 set_config "${usersConfigPath}" ".users.users[\"${DASHBOARD_USERNAME:-wasp}\"].passwordHash" "\"${DASHBOARD_PASSWORD}\"" "secret"
diff --git a/shimmer-wasp/README.md b/shimmer-wasp/README.md
index 44e4c5e0..f40366b0 100644
--- a/shimmer-wasp/README.md
+++ b/shimmer-wasp/README.md
@@ -27,13 +27,13 @@ WASP_HOST=node.your-domain.com
 # WASP_PEERING_PORT=4000
 # WASP_DATA_DIR=<absolute path to data dir>
 # WASP_IDENTITY_PRIVATE_KEY=<optional>
+# WASP_PRUNING_MIN_STATES_TO_KEEP=10000
 
 # DASHBOARD_USERNAME=admin
 DASHBOARD_PASSWORD=<password hash>
 DASHBOARD_SALT=<password salt>
 # WASP_WEBAPI_AUTH_SCHEME=jwt
 # WASP_JWT_DURATION=24h
-# WASP_PRUNING_MIN_STATES_TO_KEEP=10000
 
 # WASP_TRUSTED_NODE_0_NETID=trusted.node:4000
 # WASP_TRUSTED_NODE_0_PUBKEY=<pubkey>