diff --git a/dev-libs/ixion/ixion-0.14.1.recipe b/dev-libs/ixion/ixion-0.15.0.recipe
similarity index 95%
rename from dev-libs/ixion/ixion-0.14.1.recipe
rename to dev-libs/ixion/ixion-0.15.0.recipe
index d2e686484..f399d9e80 100644
--- a/dev-libs/ixion/ixion-0.14.1.recipe
+++ b/dev-libs/ixion/ixion-0.15.0.recipe
@@ -10,9 +10,9 @@ and a partial calculation of only the affected cells need to be calculated."
 HOMEPAGE="https://gitlab.com/ixion/ixion"
 COPYRIGHT="Kohei Yoshida et al."
 LICENSE="MPL v2.0"
-REVISION="2"
+REVISION="1"
 SOURCE_URI="https://kohei.us/files/ixion/src/libixion-$portVersion.tar.xz"
-CHECKSUM_SHA256="6ad1384fcf813083c6d981a16b2643c953f9bac4c2caf1ed1682921d9b69ed91"
+CHECKSUM_SHA256="b1f60af61be875e3bfa7ad18203a6c8ccdeb9922a531e196029fc42fbfa0b9e6"
 SOURCE_DIR="libixion-$portVersion"
 
 ARCHITECTURES="!x86_gcc2 x86 x86_64"
@@ -51,6 +51,7 @@ BUILD_REQUIRES="
 	devel:libboost_program_options$secondaryArchSuffix >= $boostMinimumVersion
 	devel:libboost_system$secondaryArchSuffix >= $boostMinimumVersion
 	devel:libz$secondaryArchSuffix
+	devel:libspdlog$secondaryArchSuffix
 	devel:mdds >= 1.4
 	"
 BUILD_PREREQUIRES="