diff --git a/make/project.conf b/make/project.conf
index 84d9b867..739fe89e 100644
--- a/make/project.conf
+++ b/make/project.conf
@@ -18,9 +18,9 @@ libname = none
 devel = jw-pkg-run = VERSION-REVISION
 
 [pkg.requires.os]
-run = bash
-build = make, xdg-utils, coreutils, cpio
-devel = sudo, make, gawk, pkg-config
+run = bash, python3
+build = make, time, xdg-utils, coreutils, cpio, xdg-utils, git-core
+devel = sudo, gawk, pkg-config
 
 [pkg.requires.centos]
 run = hostname, python
diff --git a/make/projects-dir.mk b/make/projects-dir.mk
index df9de2b3..944b2997 100644
--- a/make/projects-dir.mk
+++ b/make/projects-dir.mk
@@ -32,7 +32,6 @@ JW_PKG_REMOTE_BINDIR         = /opt/jw-pkg/bin
 SHELL                        = /bin/bash -o pipefail +H
 PROJECTS_TXT                ?= projects.txt
 JW_PKG_VERBOSE              ?= false
-BASE_PKGS                    = git make sudo time xdg-utils python3
 PREREQ_RELEASE              ?= pull
 ifneq ($(JANWARE_USER),)
   export JANWARE_USER
@@ -247,10 +246,10 @@ pkg-manager-dup:
 	$(PKG_MANAGER) dup
 
 pkg-install-build-deps:
-	$(PKG_MANAGER) install $(BASE_PKGS) $(shell $(JW_PKG_PY_PROJECTS) required-os-pkg --quote --skip-excluded --flavours build $(TARGET_PROJECTS))
+	$(PKG_MANAGER) install $(shell $(JW_PKG_PY_PROJECTS) required-os-pkg --quote --skip-excluded --flavours build $(TARGET_PROJECTS))
 
 pkg-install-release-deps:
-	$(PKG_MANAGER) install $(BASE_PKGS) $(shell $(JW_PKG_PY_PROJECTS) required-os-pkg --quote --skip-excluded --flavours 'build run release' $(TARGET_PROJECTS))
+	$(PKG_MANAGER) install $(shell $(JW_PKG_PY_PROJECTS) required-os-pkg --quote --skip-excluded --flavours 'build run release' $(TARGET_PROJECTS))
 
 pkg-release-reinstall: $(PREREQ_RELEASE)
 
diff --git a/make/topdir.mk b/make/topdir.mk
index 123da083..e6c1f8bb 100644
--- a/make/topdir.mk
+++ b/make/topdir.mk
@@ -215,10 +215,10 @@ pkg-manager-refresh:
 	$(PKG_MANAGER) refresh
 
 pkg-install-build-deps:
-	$(PKG_MANAGER) install $(BASE_PKGS) $(shell $(proj_query_cmd) required-os-pkg --quote --skip-excluded --flavours "build" $(PROJECT))
+	$(PKG_MANAGER) install $(shell $(proj_query_cmd) required-os-pkg --quote --skip-excluded --flavours "build" $(PROJECT))
 
 pkg-install-release-deps:
-	$(PKG_MANAGER) install $(BASE_PKGS) $(shell $(proj_query_cmd) required-os-pkg --quote --skip-excluded --flavours "build run release" $(PROJECT))
+	$(PKG_MANAGER) install $(shell $(proj_query_cmd) required-os-pkg --quote --skip-excluded --flavours "build run release" $(PROJECT))
 
 pkg-install-testbuild-deps: pkg-install-release-deps