diff --git a/biology/diamond/Makefile b/biology/diamond/Makefile
index 690d48df2128..244ed8c79bdf 100644
--- a/biology/diamond/Makefile
+++ b/biology/diamond/Makefile
@@ -1,24 +1,24 @@
 PORTNAME=	diamond
 DISTVERSIONPREFIX=	v
-DISTVERSION=	2.2.1
+DISTVERSION=	2.2.2
 CATEGORIES=	biology
 
 MAINTAINER=	jrm@FreeBSD.org
 COMMENT=	BLAST-compatible local sequence aligner
 WWW=		http://ab.inf.uni-tuebingen.de/software/diamond/ \
 		https://github.com/bbuchfink/diamond
 
 LICENSE=	GPLv3
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 ONLY_FOR_ARCHS=	aarch64 amd64 powerpc64 powerpc64le
 
 USES=		cmake localbase sqlite
 USE_GITHUB=	yes
 GH_ACCOUNT=	bbuchfink
 
 TEST_TARGET=	test
 
 PLIST_FILES=	bin/diamond
 
 .include <bsd.port.mk>
diff --git a/biology/diamond/distinfo b/biology/diamond/distinfo
index 88f9ea0b2cfe..b6253b1ba42d 100644
--- a/biology/diamond/distinfo
+++ b/biology/diamond/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1782159924
-SHA256 (bbuchfink-diamond-v2.2.1_GH0.tar.gz) = 36a70540039c50e4afa1d36587eb80d1a85113288c2a49731cdaaf90e3de7d02
-SIZE (bbuchfink-diamond-v2.2.1_GH0.tar.gz) = 9358746
+TIMESTAMP = 1782163658
+SHA256 (bbuchfink-diamond-v2.2.2_GH0.tar.gz) = 35cb389dad7326515267b21a04256382853754d32b48eae6fd8a56fbb191e1c6
+SIZE (bbuchfink-diamond-v2.2.2_GH0.tar.gz) = 14394953
diff --git a/biology/diamond/files/patch-src_util_io_decompressor.h b/biology/diamond/files/patch-src_util_io_decompressor.h
new file mode 100644
index 000000000000..7f83d7ea0f6b
--- /dev/null
+++ b/biology/diamond/files/patch-src_util_io_decompressor.h
@@ -0,0 +1,18 @@
+--- src/util/io/decompressor.h.orig	2026-06-22 21:46:21 UTC
++++ src/util/io/decompressor.h
+@@ -79,7 +79,7 @@ struct PassThrough : Decompressor {
+ 		return std::fread(buffer, size, count, stream);
+ 	}
+ 	int fgetc(FILE* stream) override {
+-#if defined(_MSC_VER) || defined(__APPLE__)
++#if defined(_MSC_VER) || defined(__APPLE__) || defined(__FreeBSD__)
+ 		return std::fgetc(stream);
+ #else
+ 		return fgetc_unlocked(stream);
+@@ -141,4 +142,4 @@ struct ZstdDecompressor : Decompressor { (private)
+ 	bool eos_ = false;
+ 	int pushback_ = EOF;
+ };
+-#endif
+\ No newline at end of file
++#endif