diff --git a/Dockerfile.tests b/Dockerfile.tests
new file mode 100644
index 0000000..24c4334
--- /dev/null
+++ b/Dockerfile.tests
@@ -0,0 +1,45 @@
+FROM debian:11
+
+ENV RUBY_VERSION 2.7.2
+ENV BUNDLER_VERSION 1.16.6
+
+ARG BRANCH=master
+ENV REDIS_CLUSTER_PROXY_BRANCH ${BRANCH}
+
+RUN apt update && apt install -y procps curl wget gnupg2 lsb-release ca-certificates 
+
+# Install REDIS
+RUN curl -fsSL https://packages.redis.io/gpg | gpg --dearmor -o /usr/share/keyrings/redis-archive-keyring.gpg
+RUN echo "deb [signed-by=/usr/share/keyrings/redis-archive-keyring.gpg] https://packages.redis.io/deb $(lsb_release -cs) main" | tee /etc/apt/sources.list.d/redis.list
+RUN apt update && apt install -y redis
+
+# Install build essential
+RUN apt install -y build-essential
+
+# clone project
+RUN apt install -y git
+WORKDIR /
+RUN git clone https://github.com/domrod/redis-cluster-proxy.git
+WORKDIR /redis-cluster-proxy
+RUN git checkout ${REDIS_CLUSTER_PROXY_BRANCH}
+
+RUN make
+
+# Install ruby for tests
+RUN curl -sSL https://rvm.io/mpapis.asc | gpg2 --import -
+RUN curl -sSL https://rvm.io/pkuczynski.asc |gpg2 --import -
+RUN curl -sSL https://get.rvm.io | bash -s stable
+RUN /bin/bash -c "source /etc/profile.d/rvm.sh && \
+                  rvm install ${RUBY_VERSION} && \
+                  rvm use ${RUBY_VERSION} --default && \
+                  gem install bundler:${BUNDLER_VERSION}"
+
+ENTRYPOINT ["/bin/bash", "-c", "source /etc/profile.d/rvm.sh && \"$@\"", "-s"]
+
+
+
+
+
+
+
+
diff --git a/Makefile b/Makefile
index 3758a69..21f7516 100644
--- a/Makefile
+++ b/Makefile
@@ -19,7 +19,7 @@ test:
 	$(MAKE) CFLAGS="-m32" LDFLAGS="-m32"
 
 valgrind:
-	$(MAKE) OPTIMIZATION="-O0" MALLOC="libc"
+	$(MAKE) OPTIMIZATION="-O3" MALLOC="libc"
 
 helgrind:
-	$(MAKE) OPTIMIZATION="-O0" MALLOC="libc" CFLAGS="-D__ATOMIC_VAR_FORCE_SYNC_MACROS"
+	$(MAKE) OPTIMIZATION="-O3" MALLOC="libc" CFLAGS="-D__ATOMIC_VAR_FORCE_SYNC_MACROS"
diff --git a/src/cluster.c b/src/cluster.c
index f50311e..1a7a55a 100644
--- a/src/cluster.c
+++ b/src/cluster.c
@@ -280,6 +280,7 @@ int resetCluster(redisCluster *cluster) {
     freeClusterNodes(cluster);
     cluster->slots_map = raxNew();
     cluster->nodes_by_name = raxNew();
+    cluster->master_names = NULL;
     cluster->nodes = listCreate();
     if (!cluster->slots_map) return 0;
     if (!cluster->nodes) return 0;
@@ -888,6 +889,13 @@ int updateCluster(redisCluster *cluster) {
     }
     cluster->is_updating = 0;
     cluster->update_required = 0;
+    /* Call once to refresh the master_names list */
+    if (clusterGetMasterNames(cluster) == NULL) {
+        proxyLogErr("Failed to update master names after fetching cluster configuration! (thread: %d)",
+                    cluster->thread_id);
+        status = CLUSTER_RECONFIG_ERR;
+        goto final;
+    }
     proxyLogDebug("Reprocessing cluster requests (thread: %d)",
                   cluster->thread_id);
     while (raxNext(&iter)) {
diff --git a/src/reply_order.c b/src/reply_order.c
index df5d20e..c229df7 100644
--- a/src/reply_order.c
+++ b/src/reply_order.c
@@ -49,7 +49,7 @@ int appendUnorderedRepliesToBuffer(client *c) {
         uint64_t req_id = ntohu64(*((uint64_t *)iter.key));
         if (req_id == c->min_reply_id) {
             sds reply = (sds) iter.data;
-            c->obuf = sdscat(c->obuf, reply);
+            c->obuf = sdscatsds(c->obuf, reply);
             c->min_reply_id++;
             count++;
             if (raxRemove(c->unordered_replies, iter.key, iter.key_len, NULL)){
diff --git a/src/sds.h b/src/sds.h
index 1bdb60d..adcc12c 100644
--- a/src/sds.h
+++ b/src/sds.h
@@ -34,7 +34,7 @@
 #define __SDS_H
 
 #define SDS_MAX_PREALLOC (1024*1024)
-const char *SDS_NOINIT;
+extern const char *SDS_NOINIT;
 
 #include <sys/types.h>
 #include <stdarg.h>
diff --git a/src/version.h b/src/version.h
index 4fed5dc..16f63cd 100644
--- a/src/version.h
+++ b/src/version.h
@@ -1 +1 @@
-#define REDIS_CLUSTER_PROXY_VERSION "999.999.999"
+#define REDIS_CLUSTER_PROXY_VERSION "1.0.1"
diff --git a/test/tests/proxy_command.rb b/test/tests/proxy_command.rb
index 3526073..ff0439a 100644
--- a/test/tests/proxy_command.rb
+++ b/test/tests/proxy_command.rb
@@ -5,7 +5,7 @@
         'threads' => 8,
         #'max-clients' => 10000
     }
-    conf.each{|opt, val| 
+    conf.each{|opt, val|
         reply = $main_proxy.proxy('config', 'get', opt.to_s)
         assert_not_redis_err(reply)
         assert(reply.is_a?(Array), "Expected array reply, got #{reply.class}")
@@ -22,3 +22,32 @@
     log = File.read $main_proxy.logfile
     assert_not_nil(log[msg], "Could not find logged message in proxy's log")
 end
+
+test "PROXY CLUSTER INFO" do
+    reply = $main_proxy.proxy('cluster', 'info')
+    assert_not_redis_err(reply)
+    assert(reply.is_a?(Array), "Expected array reply, got #{reply.class}")
+    assert(reply[0..4] == ["status", "updated", "connection", "shared", "nodes"], "Got unexpected reply: #{reply}")
+    reply[5].each{ |node|
+        _, name, _, ip, _, port, _, slots, _, replicas, _, connected = node
+        assert(ip == "127.0.0.1", "unexpected ip #{ip}")
+        assert([18000, 18001, 18002, 18003, 18004, 18005].include?(port), "unexpected port #{port}")
+        assert([5461, 5462].include?(slots), "unexpected slots #{slots}")
+        assert(replicas == 1, "replicas of #{replicas} != 1")
+        assert(connected == 1, "connected of #{connected} != 1")
+    }
+end
+
+test "PROXY CLUSTER UPDATE" do
+    info_before = $main_proxy.proxy('cluster', 'info')
+    assert_not_redis_err(info_before)
+
+    update_reply = $main_proxy.proxy('cluster', 'update')
+    assert_not_redis_err(update_reply)
+
+    info_after = $main_proxy.proxy('cluster', 'info')
+    assert_not_redis_err(info_after)
+
+    assert(info_before == info_after, "cluster info before update != cluster info after update.\n #{info_before} != #{info_after}")
+
+end