diff --git a/.gitignore b/.gitignore
index cf3979d..3bb4027 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1 @@
-/httpd
+/playground
diff --git a/Dockerfile b/Dockerfile
index f6eb1f8..eaa162b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -28,7 +28,7 @@ RUN git clone https://git.sr.ht/~sircmpwn/hare && \
 
 WORKDIR /src
 COPY ./ ./
-RUN make -B httpd HAREPATH=/usr/local/src/hare/stdlib HAREFLAGS=-lpthread
+RUN make -B playground HAREPATH=/usr/local/src/hare/stdlib HAREFLAGS=-lpthread
 
 FROM ubuntu:24.04
 
@@ -41,8 +41,8 @@ RUN apt-get update -qq \
     vim
 
 COPY --from=harebuild /usr/local /usr/local
-COPY --from=harebuild /src/httpd /usr/local/bin/backend
+COPY --from=harebuild /src/playground /usr/local/bin/playground
 COPY ./frontend/ /app/
 
 WORKDIR /app
-ENTRYPOINT ["/usr/local/bin/backend", "-a", "0.0.0.0:8080"]
+ENTRYPOINT ["/usr/local/bin/playground", "-a", "0.0.0.0:8080"]
diff --git a/Makefile b/Makefile
index d1f829c..aca2f87 100644
--- a/Makefile
+++ b/Makefile
@@ -15,9 +15,9 @@ classpathify = $(subst $(eval ) ,:,$1)
 HAREEXTRAPATH = $(HAREPATH)
 HAREEXTRAPATH += $(wildcard vendor/*)
 
-all: httpd
+all: playground
 
-httpd: $(wildcard cmd/httpd/*.ha) $(SOURCES)
+playground: $(wildcard cmd/playground/*.ha) $(SOURCES)
 	HAREPATH=$(call classpathify,$(HAREEXTRAPATH)) \
 	$(HARE) build $(HAREFLAGS) -o $@ cmd/$@/
 
@@ -26,15 +26,15 @@ check:
 	$(HARE) test $(HAREFLAGS)
 
 clean:
-	rm -f httpd
+	rm -f playground
 
-install: httpd
-	install -Dm755 web $(DESTDIR)$(BINDIR)/httpd
+install: playground
+	install -Dm755 web $(DESTDIR)$(BINDIR)/playground
 
 uninstall:
-	rm -f $(DESTDIR)$(BINDIR)/httpd
+	rm -f $(DESTDIR)$(BINDIR)/playground
 
-test: httpd
+test: playground
 	hurl --test test/api.hurl
 
 .PHONY: all check clean install uninstall test
diff --git a/README.md b/README.md
index c3f1454..7a55067 100644
--- a/README.md
+++ b/README.md
@@ -26,7 +26,7 @@ docker build -t hareplayground
 ## Run locally
 
 ```
-./httpd -b ./frontend
+./playground -b ./frontend
 ```
 
 ## Run Docker container
diff --git a/cmd/httpd/main.ha b/cmd/playground/main.ha
similarity index 100%
rename from cmd/httpd/main.ha
rename to cmd/playground/main.ha
diff --git a/cmd/httpd/sandbox+darwin.ha b/cmd/playground/sandbox+darwin.ha
similarity index 100%
rename from cmd/httpd/sandbox+darwin.ha
rename to cmd/playground/sandbox+darwin.ha
diff --git a/cmd/httpd/sandbox+linux.ha b/cmd/playground/sandbox+linux.ha
similarity index 100%
rename from cmd/httpd/sandbox+linux.ha
rename to cmd/playground/sandbox+linux.ha