diff --git a/cmd/rpcdaemon/cli/config.go b/cmd/rpcdaemon/cli/config.go
index d326e45911e..bd79d8a8da0 100644
--- a/cmd/rpcdaemon/cli/config.go
+++ b/cmd/rpcdaemon/cli/config.go
@@ -46,6 +46,7 @@ import (
 	"github.com/ledgerwatch/erigon/turbo/snapshotsync/snap"
 	"github.com/ledgerwatch/log/v3"
 	"github.com/spf13/cobra"
+	"golang.org/x/sync/semaphore"
 	"google.golang.org/grpc"
 	grpcHealth "google.golang.org/grpc/health"
 	"google.golang.org/grpc/health/grpc_health_v1"
@@ -255,7 +256,7 @@ func RemoteServices(ctx context.Context, cfg httpcfg.HttpCfg, logger log.Logger,
 	if cfg.WithDatadir {
 		var rwKv kv.RwDB
 		log.Trace("Creating chain db", "path", cfg.Dirs.Chaindata)
-		limiter := make(chan struct{}, cfg.DBReadConcurrency)
+		limiter := semaphore.NewWeighted(int64(cfg.DBReadConcurrency))
 		rwKv, err = kv2.NewMDBX(logger).RoTxsLimiter(limiter).Path(cfg.Dirs.Chaindata).Readonly().Open()
 		if err != nil {
 			return nil, nil, nil, nil, nil, nil, nil, nil, ff, err
diff --git a/cmd/rpcdaemon22/cli/config.go b/cmd/rpcdaemon22/cli/config.go
index 7f15ae9db48..abe200dfd3c 100644
--- a/cmd/rpcdaemon22/cli/config.go
+++ b/cmd/rpcdaemon22/cli/config.go
@@ -17,6 +17,7 @@ import (
 	"github.com/ledgerwatch/erigon/internal/debug"
 	"github.com/ledgerwatch/erigon/node/nodecfg/datadir"
 	"github.com/ledgerwatch/erigon/rpc/rpccfg"
+	"golang.org/x/sync/semaphore"
 
 	"github.com/ledgerwatch/erigon-lib/direct"
 	"github.com/ledgerwatch/erigon-lib/gointerfaces"
@@ -253,7 +254,7 @@ func RemoteServices(ctx context.Context, cfg httpcfg.HttpCfg, logger log.Logger,
 	if cfg.WithDatadir {
 		var rwKv kv.RwDB
 		log.Trace("Creating chain db", "path", cfg.Dirs.Chaindata)
-		limiter := make(chan struct{}, cfg.DBReadConcurrency)
+		limiter := semaphore.NewWeighted(int64(cfg.DBReadConcurrency))
 		rwKv, err = kv2.NewMDBX(logger).RoTxsLimiter(limiter).Path(cfg.Dirs.Chaindata).Readonly().Open()
 		if err != nil {
 			return nil, nil, nil, nil, nil, nil, nil, nil, ff, nil, nil, err
diff --git a/go.mod b/go.mod
index ab125c696e3..b8e7bbe9d08 100644
--- a/go.mod
+++ b/go.mod
@@ -36,7 +36,7 @@ require (
 	github.com/json-iterator/go v1.1.12
 	github.com/julienschmidt/httprouter v1.3.0
 	github.com/kevinburke/go-bindata v3.21.0+incompatible
-	github.com/ledgerwatch/erigon-lib v0.0.0-20220710110825-21c6baf2871c
+	github.com/ledgerwatch/erigon-lib v0.0.0-20220713123745-d629e31df75e
 	github.com/ledgerwatch/log/v3 v3.4.1
 	github.com/ledgerwatch/secp256k1 v1.0.0
 	github.com/nxadm/tail v1.4.9-0.20211216163028-4472660a31a6
diff --git a/go.sum b/go.sum
index b687d0fb068..87deff96b61 100644
--- a/go.sum
+++ b/go.sum
@@ -390,8 +390,8 @@ github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
 github.com/kylelemons/godebug v0.0.0-20170224010052-a616ab194758 h1:0D5M2HQSGD3PYPwICLl+/9oulQauOuETfgFvhBDffs0=
 github.com/leanovate/gopter v0.2.9 h1:fQjYxZaynp97ozCzfOyOuAGOU4aU/z37zf/tOujFk7c=
 github.com/leanovate/gopter v0.2.9/go.mod h1:U2L/78B+KVFIx2VmW6onHJQzXtFb+p5y3y2Sh+Jxxv8=
-github.com/ledgerwatch/erigon-lib v0.0.0-20220710110825-21c6baf2871c h1:xcHZhKSsUezVVGiqMxhe2qlkoedgkCAyx1Zi+bY9Pxs=
-github.com/ledgerwatch/erigon-lib v0.0.0-20220710110825-21c6baf2871c/go.mod h1:bttvdtZXjh803u/CeMerKYnWvVvXTICWSfpcMeQNtmc=
+github.com/ledgerwatch/erigon-lib v0.0.0-20220713123745-d629e31df75e h1:lU3YEzEKf55d3Sd363FFwxMIHch7/59Xi4PLG4MHWcg=
+github.com/ledgerwatch/erigon-lib v0.0.0-20220713123745-d629e31df75e/go.mod h1:lrUxxrH85rkNMGFT7K4aloNMOf7jG+bVYAHhmyi7oaU=
 github.com/ledgerwatch/log/v3 v3.4.1 h1:/xGwlVulXnsO9Uq+tzaExc8OWmXXHU0dnLalpbnY5Bc=
 github.com/ledgerwatch/log/v3 v3.4.1/go.mod h1:VXcz6Ssn6XEeU92dCMc39/g1F0OYAjw1Mt+dGP5DjXY=
 github.com/ledgerwatch/secp256k1 v1.0.0 h1:Usvz87YoTG0uePIV8woOof5cQnLXGYa162rFf3YnwaQ=