diff --git a/Makefile b/Makefile
index 91a21565..91be8d95 100644
--- a/Makefile
+++ b/Makefile
@@ -223,35 +223,31 @@ test-data: $(TEST_MANIFESTS_GEN)
 
 .PHONY: test-module
 test-module:
-	@$(PYTHON3) -m unittest \
-		discover \
-			--start=$(SRCDIR)/test/mod \
-			--top-level-directory=$(SRCDIR) \
+	@$(PYTHON3) -m pytest \
+			$(SRCDIR)/test/mod \
+			--rootdir=$(SRCDIR) \
 			-v
 
-.PHONY: test-runtime
+.PHONY: test-run
 test-run:
 	@[[ $${EUID} -eq 0 ]] || (echo "Error: Root privileges required!"; exit 1)
-	@$(PYTHON3) -m unittest \
-		discover \
-			--start=$(SRCDIR)/test/run \
-			--top-level-directory=$(SRCDIR) \
+	@$(PYTHON3) -m pytest \
+			$(SRCDIR)/test/run \
+			--rootdir=$(SRCDIR) \
 			-v
 
 .PHONY: test-src
 test-src:
-	@$(PYTHON3) -m unittest \
-		discover \
-			--start=$(SRCDIR)/test/src \
-			--top-level-directory=$(SRCDIR) \
+	@$(PYTHON3) -m pytest \
+			$(SRCDIR)/test/src \
+			--rootdir=$(SRCDIR) \
 			-v
 
-.PHONY: test
+.PHONY: test-all
 test-all:
-	@$(PYTHON3) -m unittest \
-		discover \
-			--start=$(SRCDIR)/test \
-			--top-level-directory=$(SRCDIR) \
+	@$(PYTHON3) -m pytest \
+			$(SRCDIR)/test \
+			--rootdir=$(SRCDIR) \
 			-v
 
 #
diff --git a/README.md b/README.md
index 13304e5f..b612f613 100644
--- a/README.md
+++ b/README.md
@@ -38,6 +38,10 @@ At build-time, the following software is required:
  * `python-docutils >= 0.13`
  * `pkg-config >= 0.29`
 
+Testing requires additional software:
+
+ * `pytest`
+
 ### Build
 
 The standard python package system is used. Consult upstream documentation for
diff --git a/requirements.txt b/requirements.txt
index d89304b1..598596ea 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +1,2 @@
 jsonschema
+pytest