diff --git a/clients/blocksdata/r2_client.go b/clients/blocksdata/r2_client.go
index 044d9edb..04072772 100644
--- a/clients/blocksdata/r2_client.go
+++ b/clients/blocksdata/r2_client.go
@@ -2,6 +2,7 @@ package blocksdata
 
 import (
 	"bytes"
+	"compress/gzip"
 	"encoding/json"
 	"fmt"
 	"io"
@@ -9,7 +10,6 @@ import (
 	"net/url"
 	"time"
 
-	"github.com/andybalholm/brotli"
 	backoff "github.com/cenkalti/backoff/v4"
 	"github.com/forta-network/forta-core-go/protocol"
 	"github.com/forta-network/forta-core-go/utils/httpclient"
@@ -102,11 +102,18 @@ func (c *blocksDataClient) GetBlocksData(bucket int64) (_ *protocol.BlocksData,
 			return err
 		}
 
+		defer resp.Body.Close()
+
 		if resp.StatusCode != 200 {
 			return fmt.Errorf("unexpected status code: %d", resp.StatusCode)
 		}
 
-		b, err := io.ReadAll(brotli.NewReader(resp.Body))
+		gzipReader, err := gzip.NewReader(resp.Body)
+		if err != nil {
+			return err
+		}
+
+		b, err := io.ReadAll(gzipReader)
 		if err != nil {
 			return err
 		}
diff --git a/go.mod b/go.mod
index fd31eba8..4f1f0eca 100644
--- a/go.mod
+++ b/go.mod
@@ -39,11 +39,10 @@ require (
 replace github.com/docker/docker => github.com/moby/moby v20.10.25+incompatible
 
 require (
-	github.com/andybalholm/brotli v1.1.0
 	github.com/cenkalti/backoff/v4 v4.1.3
 	github.com/docker/docker v1.6.2
 	github.com/docker/go-connections v0.4.0
-	github.com/forta-network/forta-core-go v0.0.0-20240315154515-c71e1f3bd5e2
+	github.com/forta-network/forta-core-go v0.0.0-20240401084734-5e73299ce04c
 	github.com/prometheus/client_golang v1.14.0
 	github.com/prometheus/client_model v0.3.0
 	github.com/prometheus/common v0.39.0
diff --git a/go.sum b/go.sum
index 02c846d2..f4af1e58 100644
--- a/go.sum
+++ b/go.sum
@@ -109,8 +109,6 @@ github.com/allegro/bigcache v1.2.1-0.20190218064605-e24eb225f156/go.mod h1:Cb/ax
 github.com/allegro/bigcache v1.2.1/go.mod h1:Cb/ax3seSYIx7SuZdm2G2xzfwmv3TPSk2ucNfQESPXM=
 github.com/andreyvit/diff v0.0.0-20170406064948-c7f18ee00883 h1:bvNMNQO63//z+xNgfBlViaCIJKLlCJ6/fmUseuG0wVQ=
 github.com/andreyvit/diff v0.0.0-20170406064948-c7f18ee00883/go.mod h1:rCTlJbsFo29Kk6CurOXKm700vrz8f0KW0JNfpkRJY/8=
-github.com/andybalholm/brotli v1.1.0 h1:eLKJA0d02Lf0mVpIDgYnqXcUn0GqVmEFny3VuID1U3M=
-github.com/andybalholm/brotli v1.1.0/go.mod h1:sms7XGricyQI9K10gOSf56VKKWS4oLer58Q+mhRPtnY=
 github.com/anmitsu/go-shlex v0.0.0-20161002113705-648efa622239/go.mod h1:2FmKhYUyUczH0OGQWaF5ceTx0UBShxjsH6f8oGKYe2c=
 github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
 github.com/apache/arrow/go/arrow v0.0.0-20191024131854-af6fa24be0db/go.mod h1:VTxUBvSJ3s3eHAg65PNgrsn5BtqCRPdmyXh6rAfdxN0=
@@ -331,8 +329,8 @@ github.com/flynn/noise v0.0.0-20180327030543-2492fe189ae6/go.mod h1:1i71OnUq3iUe
 github.com/flynn/noise v1.0.0 h1:DlTHqmzmvcEiKj+4RYo/imoswx/4r6iBlCMfVtrMXpQ=
 github.com/flynn/noise v1.0.0/go.mod h1:xbMo+0i6+IGbYdJhF31t2eR1BIU0CYc12+BNAKwUTag=
 github.com/fogleman/gg v1.2.1-0.20190220221249-0403632d5b90/go.mod h1:R/bRT+9gY/C5z7JzPU0zXsXHKM4/ayA+zqcVNZzPa1k=
-github.com/forta-network/forta-core-go v0.0.0-20240315154515-c71e1f3bd5e2 h1:v+snSZVsMUPtPX6pI5oxULTWiAfJ1igeE0Iqilma7/Y=
-github.com/forta-network/forta-core-go v0.0.0-20240315154515-c71e1f3bd5e2/go.mod h1:iNehCWOypwVeO8b1GKmsrEWReHTvO5qw8SsGvZsBINo=
+github.com/forta-network/forta-core-go v0.0.0-20240401084734-5e73299ce04c h1:nlbe6zfWzQD/V4iEeL6ggB2qWr1SoOZQZLV5uCJIN5U=
+github.com/forta-network/forta-core-go v0.0.0-20240401084734-5e73299ce04c/go.mod h1:iNehCWOypwVeO8b1GKmsrEWReHTvO5qw8SsGvZsBINo=
 github.com/forta-network/go-multicall v0.0.0-20230609185354-1436386c6707 h1:f6I7K43i2m6AwHSsDxh0Mf3qFzYt8BKnabSl/zGFmh0=
 github.com/forta-network/go-multicall v0.0.0-20230609185354-1436386c6707/go.mod h1:nqTUF1REklpWLZ/M5HfzqhSHNz4dPVKzJvbLziqTZpw=
 github.com/fortytw2/leaktest v1.3.0/go.mod h1:jDsjWgpAGjm2CA7WthBh/CdZYEPF31XHquHwclZch5g=