diff --git a/scripts/benchmark/legacy-vs-blobs/README.rst b/scripts/benchmark/legacy-vs-blobs/README.rst
index ca502b8a31ee243e665858cb51d48dfb6fb466be..1d8ab64c2a037fd92c17137d457f1422fc984db7 100644
--- a/scripts/benchmark/legacy-vs-blobs/README.rst
+++ b/scripts/benchmark/legacy-vs-blobs/README.rst
@@ -18,7 +18,7 @@ the tests for measuring memory. This script only plots time, for now.
 Once you done the above, chdir into `soledad/tests` and do something like this,
 for each test group:
 
-  tox -e benchmarks -- -m benchmark_test_legacy_vs_blobs_10_1000k --benchmark-autosave
+  tox -e benchmark -- -m benchmark_test_legacy_vs_blobs_10_1000k --benchmark-autosave
 
 Each run of tox as above produces a JSON file in `soledad/tests/.benchmarks`
 with stats. Each file has to be copied in a subdirectory of the `data/`
diff --git a/scripts/benchmark/legacy-vs-blobs/makefile b/scripts/benchmark/legacy-vs-blobs/makefile
index 649e181cd16a41fb985350203862b939a7e5c536..819d251974e959f277719992f77d5de6996bdcb4 100644
--- a/scripts/benchmark/legacy-vs-blobs/makefile
+++ b/scripts/benchmark/legacy-vs-blobs/makefile
@@ -7,8 +7,10 @@ env:
 	if [ ! -d $(VIRTUALENV_ROOT) ]; then \
 	  mkdir -p $$(dirname $(VIRTUALENV_ROOT)); \
 	  virtualenv $(VIRTUALENV_ROOT); \
-	  $(VIRTUALENV_ROOT)/bin/pip install requirements.pip; \
 	fi
 
-graph: env
-	$(VIRTUALENV_ROOT)/bin/python ./legacy-vs-blobs.py
+deps: env
+	$(VIRTUALENV_ROOT)/bin/pip install -r requirements.pip
+
+graph: deps
+	$(VIRTUALENV_ROOT)/bin/python ./gen-graph.py
diff --git a/scripts/benchmark/legacy-vs-blobs/requirements.pip b/scripts/benchmark/legacy-vs-blobs/requirements.pip
index db5d81e01ea66c581a5c41c45df1bfe61111e41e..c80f5eae9d7bf47b572b3a439420d1e4b79d3fe1 100644
--- a/scripts/benchmark/legacy-vs-blobs/requirements.pip
+++ b/scripts/benchmark/legacy-vs-blobs/requirements.pip
@@ -1,2 +1,3 @@
 matplotlib
 numpy
+mpltools
diff --git a/scripts/benchmark/sqlite-blobs-backend/README.rst b/scripts/benchmark/sqlite-blobs-backend/README.rst
index 2d7a257fe0fd947c8a17dc88abb39cfbfed29b0c..991292b71b6feab6a0bf9f792b29649a5657061f 100644
--- a/scripts/benchmark/sqlite-blobs-backend/README.rst
+++ b/scripts/benchmark/sqlite-blobs-backend/README.rst
@@ -14,10 +14,12 @@ twice by default, you should remove the second call to pytest in `tox.ini` that
 would cause a second run of the tests for measuring memory. This script only
 plots time, for now.
 
-Once you done the above, chdir into `soledad/tests` and do something like this:
-
-  tox -e benchmarks -- -m sqlite_blobs_backend_get --benchmark-autosave
-  tox -e benchmarks -- -m sqlite_blobs_backend_put --benchmark-autosave
+Once you done the above, do the following to benchmark and generate data:
+```bash
+  chdir soledad/tests
+  tox -e benchmark -- -m sqlite_blobs_backend_get --benchmark-autosave
+  tox -e benchmark -- -m sqlite_blobs_backend_put --benchmark-autosave
+```
 
 Each run of tox as above produces a JSON file in `soledad/tests/.benchmarks`
 with stats. Copy the first file into `data/get.json` and the second file into
diff --git a/scripts/benchmark/sqlite-blobs-backend/makefile b/scripts/benchmark/sqlite-blobs-backend/makefile
index f8187e9a59b91a18943bc28560e2671737753c92..819d251974e959f277719992f77d5de6996bdcb4 100644
--- a/scripts/benchmark/sqlite-blobs-backend/makefile
+++ b/scripts/benchmark/sqlite-blobs-backend/makefile
@@ -7,8 +7,10 @@ env:
 	if [ ! -d $(VIRTUALENV_ROOT) ]; then \
 	  mkdir -p $$(dirname $(VIRTUALENV_ROOT)); \
 	  virtualenv $(VIRTUALENV_ROOT); \
-	  $(VIRTUALENV_ROOT)/bin/pip install requirements.pip; \
 	fi
 
-graph: env
+deps: env
+	$(VIRTUALENV_ROOT)/bin/pip install -r requirements.pip
+
+graph: deps
 	$(VIRTUALENV_ROOT)/bin/python ./gen-graph.py
diff --git a/scripts/benchmark/sqlite-blobs-backend/requirements.pip b/scripts/benchmark/sqlite-blobs-backend/requirements.pip
index db5d81e01ea66c581a5c41c45df1bfe61111e41e..c80f5eae9d7bf47b572b3a439420d1e4b79d3fe1 100644
--- a/scripts/benchmark/sqlite-blobs-backend/requirements.pip
+++ b/scripts/benchmark/sqlite-blobs-backend/requirements.pip
@@ -1,2 +1,3 @@
 matplotlib
 numpy
+mpltools